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 A070040 #12 Dec 02 2023 20:14:04 %S A070040 1,4,12,104,231,380,3039,12070,22609,47955,60409,182492,859647, %T A070040 8039644,11990003,78269808,6091154409,6941215856,13803257219 %N A070040 Where records occur in A092419. %C A070040 The old entry with this sequence number was a duplicate of A056924. %F A070040 A092419(a(n))=A067073(n). [From _R. J. Mathar_, Jul 13 2009] %Y A070040 Cf. A092419, A067073. %K A070040 nonn,more %O A070040 1,2 %A A070040 _N. J. A. Sloane_, Oct 16 2008 %E A070040 a(8)-a(12) from _R. J. Mathar_, Jul 13 2009 %E A070040 a(13)-a(19) from _Sean A. Irvine_, Dec 02 2023