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.

A211851 Number of nonnegative integer arrays of length 2n+6 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value n+1.

Table of values

n a(n)
1 196
2 561
3 1302
4 2619
5 4755
6 7996
7 12671
8 19152
9 27854
10 39235
11 53796
12 72081
13 94677
14 122214
15 155365
16 194846
17 241416
18 295877
19 359074
20 431895
21 515271
22 610176
23 717627
24 838684
25 974450
26 1126071
27 1294736
28 1481677
29 1688169
30 1915530
31 2165121
32 2438346

List of values

[196, 561, 1302, 2619, 4755, 7996, 12671, 19152, 27854, 39235, 53796, 72081, 94677, 122214, 155365, 194846, 241416, 295877, 359074, 431895, 515271, 610176, 717627, 838684, 974450, 1126071, 1294736, 1481677, 1688169, 1915530, 2165121, 2438346]