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.

A188492 a(n) = A002526(n+2) + A002526(n) - A002527(n+2) - A002527(n+1) + A002527(n) - A188493(n).

Table of values

n a(n)
0 0
1 0
2 2
3 6
4 14
5 38
6 124
7 400
8 1232
9 3712
10 11288
11 34628
12 106352
13 325772
14 996712
15 3050352
16 9340170
17 28602014
18 87576426
19 268129662
20 820931640
21 2513509536
22 7695861408
23 23563048304
24 72144604576
25 220890113784
26 676315440208
27 2070725515096

List of values

[0, 0, 2, 6, 14, 38, 124, 400, 1232, 3712, 11288, 34628, 106352, 325772, 996712, 3050352, 9340170, 28602014, 87576426, 268129662, 820931640, 2513509536, 7695861408, 23563048304, 72144604576, 220890113784, 676315440208, 2070725515096]