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 A260715 #12 Nov 12 2024 12:35:55 %S A260715 11,13,17,23,25,29,37,41,43,47,53,55,61,67,71,73,77,83,89,91,97,101, %T A260715 103,107,115,119,121,127,131,133,143,145,149,151,157,161,167,173,175, %U A260715 179,181,187,193,197,203,205,209,211,221,223,227,233,235,239,247,251,253,257,263,265,271,277,281,283,287,293,299,301,307,311,313 %N A260715 Row 5 of A260717. %H A260715 Antti Karttunen, <a href="/A260715/b260715.txt">Table of n, a(n) for n = 1..10000</a> %H A260715 <a href="/index/Rec#order_49">Index entries for linear recurrences with constant coefficients</a>, signature (1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1). %F A260715 Other identities. For all n >= 1: %F A260715 a(1+(11*(n-1))) = A255415(n). %o A260715 (Scheme) (define (A260715 n) (A260717bi 5 n)) ;; A260717bi given in A260717. %Y A260715 Row 5 of A260717. %Y A260715 Setwise difference of A260714 \ A255414. %Y A260715 Cf. A255415 (only every eleventh term of this sequence, starting from 11). %Y A260715 Differs from A003309(n+5) for the first time at n=12, as a(12) = 55, the first nonludic number to be removed at stage 5 of the sieve, which is missing from A003309. %K A260715 nonn %O A260715 1,1 %A A260715 _Antti Karttunen_, Jul 30 2015