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 A039806 #9 Dec 19 2015 13:09:09 %S A039806 1,4,1,10,4,1,26,14,4,1,55,36,14,4,1,121,91,40,14,4,1,237,202,101,40, %T A039806 14,4,1,468,439,238,105,40,14,4,1,867,887,524,248,105,40,14,4,1,1597, %U A039806 1758,1105,560,252,105,40,14,4,1,2821,3325,2223,1190,570,252,105,40 %N A039806 Matrix 4th power of partition triangle A008284. %C A039806 Row sums form A022813 (number of terms in n-th derivative of a function composed with itself 5 times). - _Paul D. Hanna_, Jul 13 2004 %e A039806 1; 4,1; 10,4,1; 26,14,4,1; ... %Y A039806 Cf. A038497, A038498, A039805, A039807. a(n, 1) = A022812(n) (first column). %Y A039806 Cf. A022813. %K A039806 nonn,tabl %O A039806 0,2 %A A039806 _Christian G. Bower_, Feb 15 1999