cp's OEIS Frontend

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.

A111557 Column 4 of triangle A111553; also found in column 0 of triangle A111560, which equals the matrix logarithm of A111553.

Table of values

n a(n)
0 1
1 5
2 34
3 282
4 2696
5 28792
6 337072
7 4273632
8 58195072
9 846038912
10 13072140032
11 213897731712
12 3695682017792
13 67254929193472
14 1286282280266752
15 25802708552696832
16 541894309127053312
17 11894387852938452992

List of values

[1, 5, 34, 282, 2696, 28792, 337072, 4273632, 58195072, 846038912, 13072140032, 213897731712, 3695682017792, 67254929193472, 1286282280266752, 25802708552696832, 541894309127053312, 11894387852938452992]