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 A014459 #12 Jul 02 2025 16:01:55 %S A014459 1,1,1,1,1,1,11,11,1,1,1,1,57,57,1,1,1191,1191,1,1,247,4293,15619, %T A014459 15619,4293,247,1,1,1,1,1013,1013,1,1,152637,152637,1,1,4083,478271, %U A014459 10187685,10187685,478271,4083,1,1,423281535,423281535,1,1,16369 %N A014459 Odd numbers in the triangle of Eulerian numbers. %D A014459 R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 254. %H A014459 Rémy Sigrist, <a href="/A014459/b014459.txt">Table of n, a(n) for n = 1..10071</a> %Y A014459 Cf. A008292, A014450. %K A014459 nonn,look,tabf %O A014459 1,7 %A A014459 _Mohammad K. Azarian_ %E A014459 More terms from _James Sellers_