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 A014411 #13 Jul 02 2025 16:01:55 %S A014411 3,4,10,5,15,6,35,21,7,56,28,8,126,84,36,9,210,120,45,10,462,330,165, %T A014411 55,11,792,495,220,66,12,1716,1287,715,286,78,13,3003,2002,1001,364, %U A014411 91,14,6435,5005,3003,1365,455,105,15,11440,8008,4368,1820,560,120,16 %N A014411 Triangular array formed from elements to right of middle of rows of Pascal's triangle that are not 1. %e A014411 3; 4; 10,5; 15,6; 35,21,7; 56,28,8; ... %Y A014411 Cf. A014463. %K A014411 tabf,nonn,easy %O A014411 1,1 %A A014411 _Mohammad K. Azarian_ %E A014411 More terms from _James Sellers_ %E A014411 Offset corrected by _Mohammad K. Azarian_, Nov 19 2008