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.

A268460 Number of length-6 0..n arrays with no adjacent pair x,x+1 followed at any distance by x+1,x.

Table of values

n a(n)
1 22
2 456
3 3146
4 13204
5 41526
6 108032
7 245626
8 504876
9 959414
10 1712056
11 2901642
12 4710596
13 7373206
14 11184624
15 16510586
16 23797852
17 33585366
18 46516136
19 63349834
20 84976116
21 112428662
22 146899936
23 189756666
24 242556044
25 307062646
26 385266072

List of values

[22, 456, 3146, 13204, 41526, 108032, 245626, 504876, 959414, 1712056, 2901642, 4710596, 7373206, 11184624, 16510586, 23797852, 33585366, 46516136, 63349834, 84976116, 112428662, 146899936, 189756666, 242556044, 307062646, 385266072]