$Fibonacci_fun's profile picture. Erdős number 3. F(n),L(n)＝#Fibonacci, #Lucas number. 日本語版(F_{Japan}) https://x.com/fun_Fibonacci$

H.O.

@Fibonacci_fun

Erdős number 3. F(n),L(n)＝#Fibonacci, #Lucas number. 日本語版(F_{Japan}) https://x.com/fun_Fibonacci

日本

انضم في يوليو 2023

512المنشورات 1ألفالمتابعون 13المتابَعون

H.O. أعاد

H.O.(Japan)

1 س

Rowlandによる素数または1だけを出力する数列を紹介する. 実際, 出力してみるとほとんど1になるが, それ以外は素数になっていて面白い. 参考文献: E.S. Rowland, A Natural Prime-Generating Recurrence, Journal of Integer Sequences, Vol.11(2008) OEIS: A132199

fun_Fibonacci's tweet image. Rowlandによる素数または1だけを出力する数列を紹介する. 実際, 出力してみるとほとんど1になるが, それ以外は素数になっていて面白い.
参考文献: E.S. Rowland, A Natural Prime-Generating Recurrence, Journal of Integer Sequences, Vol.11(2008)
OEIS: A132199

H.O.

4 س

Fibonacci Quart. Problem H-842 by H.O.

Fibonacci_fun's tweet image. Fibonacci Quart. Problem H-842 by H.O.

H.O.

٢٤ أكتوبرم

Fibonacci Quart. Problem H-757 by H.O.

Fibonacci_fun's tweet image. Fibonacci Quart. Problem H-757 by H.O.

H.O.

٢٠ أكتوبرم

Fibonacci Quart. Problem B-1324 by H.O.

Fibonacci_fun's tweet image. Fibonacci Quart. Problem B-1324 by H.O.

H.O.

١٩ أكتوبرم

AMM monthly problem 3802 and 12396.

Fibonacci_fun's tweet image. AMM monthly problem 3802 and 12396.

H.O.

١٨ أكتوبرم

Fibonacci Quart. Problem B-1147 by H.O.

Fibonacci_fun's tweet image. Fibonacci Quart. Problem B-1147 by H.O.

H.O.

١٣ أكتوبرم

AMM Problem 11978 by H.O.

Fibonacci_fun's tweet image. AMM Problem 11978 by H.O.

H.O.

١٢ أكتوبرم

Fibonacci Quart. Problem B-1220 by H.O.

Fibonacci_fun's tweet image. Fibonacci Quart. Problem B-1220 by H.O.

H.O.

١١ أكتوبرم

Fibonacci Quart. Problem B-1200 by H.O.

Fibonacci_fun's tweet image. Fibonacci Quart. Problem B-1200 by H.O.

H.O.

٩ أكتوبرم

Fibonacci_fun's tweet image.

H.O.

٨ أكتوبرم

Fibonacci_fun's tweet image.

H.O.

٧ أكتوبرم

Fibonacci Quart. Problem H-734(i).

Fibonacci_fun's tweet image. Fibonacci Quart. Problem H-734(i).

H.O.

٦ أكتوبرم

Fibonacci_fun's tweet image.

H.O.

٥ أكتوبرم

Fibonacci_fun's tweet image.

H.O.

٣ أكتوبرم

「平方数・立方数の逆数和についてのある関係式」Sugaku Seminar (March 2010)

Fibonacci_fun's tweet image. 「平方数・立方数の逆数和についてのある関係式」Sugaku Seminar (March 2010)

H.O.

١٠ مايوم

H.J.H.Tuenter, Walking into an absolute sum, The Fibonacci Quarterly 40.2(2002)

Fibonacci_fun's tweet image. H.J.H.Tuenter, Walking into an absolute sum, The Fibonacci Quarterly 40.2(2002)

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