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 A165776 #3 Jul 14 2012 11:32:32 %S A165776 1,5,6,7,13,14,15,16,17,25,26,27,28,29,30,31,41,42,43,44,45,46,47,48, %T A165776 49,61,62,63,64,65,66,67,68,69,70,71,85,86,87,88,89,90,91,92,93,94,95, %U A165776 96,97,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,145,146 %N A165776 n + (least square > n), i.e., n + A048761(n+1). %F A165776 a(n) = A001477(n) + A048761(n+1) %e A165776 a(4)= 13 = 4+9 because 9 is the least square > 4. %o A165776 (PARI) A165776(n)=n+(sqrtint(n)+1)^2 %Y A165776 Cf. A165775. %K A165776 easy,nonn %O A165776 0,2 %A A165776 _M. F. Hasler_, Oct 05 2009