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.

A290926 p-INVERT of the positive integers, where p(S) = (1 - S^2)^2.

Table of values

n a(n)
0 0
1 2
2 8
3 23
4 64
5 182
6 520
7 1475
8 4152
9 11624
10 32408
11 90028
12 249272
13 688140
14 1894600
15 5203665
16 14260968
17 39004962
18 106486512
19 290226621
20 789776888
21 2146082610
22 5823823120
23 15784464728
24 42731452816
25 115556460982
26 312175750152
27 842537682283
28 2271900155120

List of values

[0, 2, 8, 23, 64, 182, 520, 1475, 4152, 11624, 32408, 90028, 249272, 688140, 1894600, 5203665, 14260968, 39004962, 106486512, 290226621, 789776888, 2146082610, 5823823120, 15784464728, 42731452816, 115556460982, 312175750152, 842537682283, 2271900155120]