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 A095819 #5 Oct 12 2012 14:40:21 %S A095819 4,37,190,715,2200,5863,14014,30745,62920,121550,223652,394706,671840, %T A095819 1107890,1776500,2778446,4249388,6369275,9373650,13567125,19339320, %U A095819 27183585,37718850,51714975,70122000,94103724,125076072,164750740 %N A095819 Tenth column (m=9) of (1,4)-Pascal triangle A095666. %C A095819 If Y is a 4-subset of an n-set X then, for n>=12, a(n-12) is the number of 9-subsets of X having at most one element in common with Y. - _Milan Janjic_, Dec 08 2007 %F A095819 G.f.: (4-3*x)/(1-x)^10. %F A095819 a(n) = 4*b(n)-3*b(n-1) =(n+36)*binomial(n+8, 8)/9, with b(n):=binomial(n+9, 9)=A000582(n+9, 9). %K A095819 nonn,easy %O A095819 0,1 %A A095819 _Wolfdieter Lang_, Jun 11 2004