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.

A249288 Number of length n+3 0..6 arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.

Table of values

n a(n)
1 2070
2 12600
3 76856
4 469072
5 2863158
6 17477172
7 106687006
8 651265876
9 3975630136
10 24269116850
11 148150208272
12 904379542250
13 5520764471064
14 33701382275398
15 205729331323368
16 1255870097060206
17 7666430906270386
18 46799555928424622

List of values

[2070, 12600, 76856, 469072, 2863158, 17477172, 106687006, 651265876, 3975630136, 24269116850, 148150208272, 904379542250, 5520764471064, 33701382275398, 205729331323368, 1255870097060206, 7666430906270386, 46799555928424622]