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 A323479 #10 Feb 13 2019 10:40:16 %S A323479 1,2,2,1,3,2,4,4,6,7,11,11,20,16,1,35,22,3,1,61,29,6,4,103,38,10,11, %T A323479 170,50,16,23,1,278,66,27,41,4,451,87,46,67,12,728,114,77,103,31,1165, %U A323479 149,127,152,71,1849,194,210,216,148,2916,251,354,297,284,4577 %N A323479 Irregular triangle read by rows: T(n,k) (n>=1) = number of occurrences of k in n-th generation of A306211. %H A323479 Lars Blomberg, <a href="/A323479/b323479.txt">Table of n, a(n) for n = 1..247</a> (The first 55 generations) %e A323479 Triangle begins: %e A323479 1, %e A323479 2, %e A323479 2, 1, %e A323479 3, 2, %e A323479 4, 4, %e A323479 6, 7, %e A323479 11, 11, %e A323479 20, 16, 1, %e A323479 35, 22, 3, 1, %e A323479 61, 29, 6, 4, %e A323479 103, 38, 10, 11, %e A323479 170, 50, 16, 23, 1, %e A323479 ... %Y A323479 Cf. A306211, A306215 (row sums), A323477, A323481 (first column). %K A323479 nonn,tabf %O A323479 1,2 %A A323479 _N. J. A. Sloane_, Jan 31 2019 %E A323479 a(20)-a(63) from _Lars Blomberg_, Feb 13 2019