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.

A249289 Number of length n+3 0..7 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 3584
2 25280
3 178644
4 1263044
5 8930228
6 63142432
7 446465388
8 3156873140
9 22321652802
10 157832259724
11 1116002868810
12 7891051581722
13 55796177670214
14 394524535750878
15 2789610622867354
16 19724825025520940
17 139470619655277052

List of values

[3584, 25280, 178644, 1263044, 8930228, 63142432, 446465388, 3156873140, 22321652802, 157832259724, 1116002868810, 7891051581722, 55796177670214, 394524535750878, 2789610622867354, 19724825025520940, 139470619655277052]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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