This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A386236 #7 Jul 21 2025 18:36:25 %S A386236 1,1,1,1,1,1,3,1,3,1,1,1,3,3,1,1,1,3,3,1,3,1,1,1,1,3,3,3,1,1,1,1,1,1, %T A386236 3,3,1,3,3,1,1,3,1,1,3,1,1,1,3,1,1,3,1,3,1,3,3,1,1,1,3,1,3,1,3,1,1,1, %U A386236 1,3,1,3,3,1,1,3,3,3,3,1,3,1,1,3,1,1,1,1,1,3,3,1,1,1,3,1,1,3,3,1,1,1,3,3,3 %N A386236 Ratio of the period and the reduced period of the Fibonacci 3-step sequence A000073 mod n. %C A386236 The period is A046738(n) and the reduced period is A046737(n). %C A386236 See also the information in A154754 and A046737. %H A386236 Peter Munn, <a href="/A386236/b386236.txt">Table of n, a(n) for n = 1..1000</a> %F A386236 a(n) = A046738(n)/A046737(n). %Y A386236 Cf. A000073, A046737, A046738. %Y A386236 The equivalent sequence for Fibonacci numbers is A001176. %Y A386236 Cf. A060839 (differs first at n=31), A154754 (restriction to prime indices). %K A386236 nonn %O A386236 1,7 %A A386236 _Peter Munn_, Jul 16 2025