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 A064192 #17 Apr 28 2023 14:44:52 %S A064192 1,1,1,2,1,2,5,2,5,4,16,5,16,10,14,61,16,61,32,56,46,272,61,272,122, %T A064192 256,178,224,1385,272,1385,544,1324,800,1202,1024,7936,1385,7936,2770, %U A064192 7664,4094,7120,5296,6320,50521,7936,50521,15872,49136,23536,46366,30656,42272,36976 %N A064192 Triangle in which rows are permutations of the rows of A008282. %C A064192 This triangle appears on p. 24 of the linked reference and is defined by Proposition 5.6. %H A064192 Alois P. Heinz, <a href="/A064192/b064192.txt">Rows n = 1..141, flattened</a> %H A064192 J. L. Arregui, <a href="http://arXiv.org/abs/math.NT/0109108">Tangent and Bernoulli numbers related to Motzkin and Catalan numbers by means of numerical triangles</a>. (See Prop. 5.6) %e A064192 1; %e A064192 1, 1; %e A064192 2, 1, 2; %e A064192 5, 2, 5, 4; %e A064192 16, 5, 16, 10, 14; %e A064192 61, 16, 61, 32, 56, 46; %e A064192 272, 61, 272, 122, 256, 178, 224; %e A064192 1385, 272, 1385, 544, 1324, 800, 1202, 1024; %e A064192 ... %Y A064192 First column gives A000111. %Y A064192 Main diagonal gives A005437. %Y A064192 Cf. A008282. %K A064192 nonn,tabl,easy %O A064192 1,4 %A A064192 _N. J. A. Sloane_, Sep 21 2001 %E A064192 More terms from _David Wasserman_, Jul 16 2002 %E A064192 New offset 1 from _Alois P. Heinz_, Apr 28 2023