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.

A258737 Number of length n+7 0..3 arrays with at most one downstep in every n consecutive neighbor pairs.

Table of values

n a(n)
1 65536
2 163020
3 220854
4 281136
5 370510
6 526672
7 752180
8 1038256
9 1394568
10 1831920
11 2362442
12 2999800
13 3759427
14 4658776
15 5717596
16 6958232
17 8405950
18 10089288
19 12040434
20 14295632
21 16895617
22 19886080
23 23318164
24 27248992
25 31742228
26 36868672

List of values

[65536, 163020, 220854, 281136, 370510, 526672, 752180, 1038256, 1394568, 1831920, 2362442, 2999800, 3759427, 4658776, 5717596, 6958232, 8405950, 10089288, 12040434, 14295632, 16895617, 19886080, 23318164, 27248992, 31742228, 36868672]