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.

A361812 Expansion of 1/sqrt(1 - 4*x*(1+x)^3).

Table of values

n a(n)
0 1
1 2
2 12
3 62
4 342
5 1932
6 11094
7 64480
8 378150
9 2233304
10 13263772
11 79136844
12 473969586
13 2847911596
14 17159547804
15 103640073972
16 627280131594
17 3803643145596
18 23102172930156
19 140522319418164
20 855880464524472
21 5219168576004184
22 31861229045809436

List of values

[1, 2, 12, 62, 342, 1932, 11094, 64480, 378150, 2233304, 13263772, 79136844, 473969586, 2847911596, 17159547804, 103640073972, 627280131594, 3803643145596, 23102172930156, 140522319418164, 855880464524472, 5219168576004184, 31861229045809436]

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

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