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 A260714 #9 Nov 12 2024 12:33:48 %S A260714 7,11,13,17,23,25,29,31,37,41,43,47,53,55,59,61,67,71,73,77,83,85,89, %T A260714 91,97,101,103,107,113,115,119,121,127,131,133,137,143,145,149,151, %U A260714 157,161,163,167,173,175,179,181,187,191,193,197,203,205,209,211,217,221,223,227,233,235,239,241,247,251,253,257 %N A260714 Row 4 of A260717. %H A260714 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, 0, 0, 0, 0, 0, 1, -1). %F A260714 Other identities. For all n >= 1: %F A260714 a(1+(7*(n-1))) = A255414(n). %o A260714 (Scheme) (define (A260714 n) (A260717bi 4 n)) ;; Code for A260717bi given in A260717. %Y A260714 Row 4 of A260717. %Y A260714 Setwise difference of A007310(2..) \ A255413. %Y A260714 Cf. A255414 (only every seventh term of this sequence, starting from 7). %K A260714 nonn %O A260714 1,1 %A A260714 _Antti Karttunen_, Jul 30 2015