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.

A291003 p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - S)(1 - 2*S)(1 - 3*S)(1 - 4*S).

Table of values

n a(n)
0 10
1 75
2 490
3 2956
4 16944
5 93800
6 506600
7 2687256
8 14064904
9 72873880
10 374671560
11 1914880856
12 9741440264
13 49378177560
14 249583291720
15 1258711575256
16 6336814854024
17 31857331730840
18 159980377179080
19 802678826106456
20 4024508089842184
21 20167014882109720

List of values

[10, 75, 490, 2956, 16944, 93800, 506600, 2687256, 14064904, 72873880, 374671560, 1914880856, 9741440264, 49378177560, 249583291720, 1258711575256, 6336814854024, 31857331730840, 159980377179080, 802678826106456, 4024508089842184, 20167014882109720]