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 A376957 #4 Oct 19 2024 22:13:05
%S A376957 1,1,3,5,7,9,11,14,16,18,20,22,24,26,28,30,33,35,37,39,41,43,45,47,50,
%T A376957 52,54,56,58,60,62,64,67,69,71,73,75,77,79,82,84,86,88,90,92,94,96,99,
%U A376957 101,103,105,107,109,111,113,116,118,120,122,124,126,128
%N A376957 a(n) = least k such that (n Pi/2)^(2k+1)/(2k+1)! < 1.
%C A376957 The numbers (n Pi/2)^(2k+1)/(2k+1)! are the coefficients in the Maclaurin series for sin x when x = Pi/2. If m>a(n), then (n Pi/2)^(2k+1)/(2k+1)! < 1.
%t A376957 a[n_] := Select[Range[z], (n Pi/2)^(2 # + 1)/(2 # + 1)! < 1 &, 1]
%t A376957 Flatten[Table[a[n], {n, 0, 100}]]
%Y A376957 Cf. A370507, A376284, A376952, A376953, A376954, A376955, A376956, A376958, A376959, A376960.
%K A376957 nonn
%O A376957 0,3
%A A376957 _Clark Kimberling_, Oct 17 2024