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 A117566 #4 Mar 31 2012 13:23:38 %S A117566 1,2,3,5,8,14,10,18,30,49,20,34,59,94,149,36,63,104,169,264,405,65, %T A117566 108,179,284,445,676,1017,110,183,294,465,716,1089,1622,2387,185,298, %U A117566 475,736,1129,1694,2517,3678,5324,300,479,746,1149,1734,2589,3808,5544,7972 %N A117566 Strip A117488 of r-1 row values 1,2,5,10,20,36,65 ... A000712. %C A117566 Note that the Durfee Square sequences addressed in A115994, A117488 and this triangular array can be generated using self-convolution of diagonals in the partition array A008284. %F A117566 T(n,k) = A117488(n,n+k-1), 1<=k<=n . - _R. J. Mathar_, Jan 22 2008 %e A117566 Row four of A117488 is 1 2 5 10 18 30 49 %e A117566 remove 3 terms 1 2 5 so %e A117566 row four of A117566 is 10 18 30 49 %Y A117566 Cf. A000041 A008284 A115994 A117488. %K A117566 nonn,tabl %O A117566 1,2 %A A117566 _Alford Arnold_, Mar 29 2006 %E A117566 More terms from _R. J. Mathar_, Jan 22 2008