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 A077657 #5 Apr 03 2014 11:35:04 %S A077657 1,2,33,603,602,2522,211673,3405123,3405122,49799889,202536181, %T A077657 3195380868,5208143601,85843948321,97524222465 %N A077657 Least number with exactly n consecutive successors, all having the same number of prime factors (counted with multiplicity). %C A077657 A001222(a(n))=A001222(a(n)+k) for k<=n; %C A077657 A077655(a(n))=n and A077655(k)<n for k<a(n). %F A077657 a(n)=A045984(n+1)+A077655(A045984(n+1))-n - _Martin Fuller_, Nov 21 2006 %e A077657 a(0)=A077656(1)=1; a(1)=A045920(1)=2; a(2)=A045939(1)=33; a(3)=A045940(2)=603; a(4)=A045941(1)=602; a(5)=A045942(1)=2522. %Y A077657 Cf. A045984. %K A077657 nonn,more %O A077657 0,2 %A A077657 _Reinhard Zumkeller_, Nov 13 2002 %E A077657 More terms from _Martin Fuller_, Nov 21 2006