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 A277703 #6 Oct 30 2016 13:45:04 %S A277703 1,2,3,6,18,30,90,270,450,630,6750,20250,47250,330750,3543750,4961250, %T A277703 53156250,57881250,173643750,1910081250,9550406250,455814843750, %U A277703 3190703906250,34186113281250,245684200781250,29727788294531250,3310594605527343750,158005651627441406250,1738062167901855468750,414764835522033691406250 %N A277703 Record values in A260443. %H A277703 Antti Karttunen, <a href="/A277703/b277703.txt">Table of n, a(n) for n = 1..55</a> %F A277703 a(n) = A260443(A277702(n)). %o A277703 (Scheme) (define (A277703 n) (A260443 (A277702 n))) %Y A277703 Cf. A260443, A277702. %K A277703 nonn %O A277703 1,2 %A A277703 _Antti Karttunen_, Oct 27 2016