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.

A255714 Number of length n 1..(6+2) arrays with no leading partial sum equal to a prime and no consecutive values equal.

Table of values

n a(n)
1 4
2 17
3 75
4 342
5 1707
6 8814
7 45735
8 229317
9 1129024
10 5744720
11 30448145
12 163328140
13 866397895
14 4515528539
15 23325358076
16 121500213369
17 648072229596
18 3549923527103
19 19654222272276
20 107149613713782
21 565522043746019

List of values

[4, 17, 75, 342, 1707, 8814, 45735, 229317, 1129024, 5744720, 30448145, 163328140, 866397895, 4515528539, 23325358076, 121500213369, 648072229596, 3549923527103, 19654222272276, 107149613713782, 565522043746019]