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.

A144882 Row sums of triangle A144881 (S1hat(3)) and of array A144880 (M31hat(3)).

Table of values

n a(n)
1 1
2 4
3 16
4 85
5 481
6 3352
7 25420
8 223393
9 2157565
10 23241244
11 272933680
12 3496821133
13 48307202761
14 717473918560
15 11381186498836
16 192155770419673
17 3438337498017781
18 65004294514876996
19 1294456866053992600
20 27081588485949257605

List of values

[1, 4, 16, 85, 481, 3352, 25420, 223393, 2157565, 23241244, 272933680, 3496821133, 48307202761, 717473918560, 11381186498836, 192155770419673, 3438337498017781, 65004294514876996, 1294456866053992600, 27081588485949257605]