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.

A360647 Expansion of Sum_{k>=0} (k^2 * x * (1 + x))^k.

Table of values

n a(n)
0 1
1 1
2 17
3 761
4 67739
5 10029956
6 2226004406
7 691381685259
8 286255287677425
9 152360721379689043
10 101358756787489940837
11 82408168580060017122144
12 80396790074312939684672316
13 92691781529853274368541343021

List of values

[1, 1, 17, 761, 67739, 10029956, 2226004406, 691381685259, 286255287677425, 152360721379689043, 101358756787489940837, 82408168580060017122144, 80396790074312939684672316, 92691781529853274368541343021]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.