cp's OEIS Frontend

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.

A353281 k is a term if 5 and 6 do not divide k and k does not divide F(n, j) for all j >= 0, where F(n, j) are the Fibonacci numbers.

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%I A353281 #7 Apr 11 2022 13:30:27
%S A353281 56,91,112,153,182,224,273,364,392,406,448,459,616,637,703,728,752,
%T A353281 784,812,819,896,952,979,1001,1064,1071,1183,1232,1274,1288,1377,1406,
%U A353281 1431,1456,1504,1547,1568,1624,1683,1729,1736,1792,1892,1904,1911,1958,1989
%N A353281 k is a term if 5 and 6 do not divide k and k does not divide F(n, j) for all j >= 0, where F(n, j) are the Fibonacci numbers.
%e A353281 91 is a term because period(A352747(91, .)) = [34, 60, 86, 21, 47, 73, 8] is zero-free, and 5 and 6 do not divide 91.
%o A353281 (Sage)
%o A353281 def isA353281(n): return not isA093509(n) and isA353280(n)
%o A353281 def A353281List(upto): return [n for n in range(upto + 1) if isA353281(n)]
%o A353281 print(A353281List(400))
%Y A353281 {a(n)} union A093509 = A353280.
%Y A353281 Cf. A352744, A352747.
%K A353281 nonn
%O A353281 1,1
%A A353281 _Peter Luschny_, Apr 10 2022