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 A014461 #19 Jul 02 2025 16:01:55
%S A014461 11,11,57,57,1191,1191,247,4293,15619,15619,4293,247,1013,1013,152637,
%T A014461 152637,4083,478271,10187685,10187685,478271,4083,423281535,423281535,
%U A014461 16369,2571742175,12843262863,12843262863,2571742175,16369,13824739
%N A014461 Odd numbers in the triangle of Eulerian numbers that are not 1.
%D A014461 R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 254.
%H A014461 Vincenzo Librandi, <a href="/A014461/b014461.txt">Table of n, a(n) for n = 1..1050</a>
%t A014461 Select[Select[Flatten[Table[Plus@@Table[(-1)^k Binomial[i + 1, k] (j - k)^i, {k, 0, j}], {i, 1, 18}, {j, 1, i}]], OddQ], #!= 1 &] (* _Vincenzo Librandi_, Nov 19 2018 *)
%Y A014461 Cf. A008292.
%K A014461 nonn,tabf,easy
%O A014461 1,1
%A A014461 _Mohammad K. Azarian_
%E A014461 More terms from _James Sellers_
%E A014461 Offset corrected by _Mohammad K. Azarian_, Nov 19 2008