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 A220485 #13 Jan 22 2013 12:30:58 %S A220485 10,80,440,1820,6545,20630,59960,161840,412950,1002435,2335760, %T A220485 5246120,11416820,24146510,49795175,100348950,198063060,383516700, %U A220485 729726660,1366124700,2519441030,4581865140,8224627160,14584074770,25565740130,44334556890,76102268520 %N A220485 spt(5n+4) where spt(n) = A092269(n). %C A220485 a(n) is divisible by 5 (see A220505). %H A220485 G. E. Andrews, <a href="http://www.math.psu.edu/vstein/alg/antheory/preprint/andrews/17.pdf">The number of smallest parts in the partitions of n</a> %F A220485 a(n) = A092269(A016897(n)). %Y A220485 Cf. A092269, A019897, A213260, A220502, A220503, A220505. %K A220485 nonn %O A220485 0,1 %A A220485 _Omar E. Pol_, Jan 18 2013