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.

A249287 Number of length n+3 0..5 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 1098
2 5646
3 29100
4 150112
5 774542
6 3996816
7 20626236
8 106449362
9 549377682
10 2835311880
11 14632955578
12 75520363990
13 389759189220
14 2011540365174
15 10381526171750
16 53578887648690
17 276519776741626
18 1427114135562896

List of values

[1098, 5646, 29100, 150112, 774542, 3996816, 20626236, 106449362, 549377682, 2835311880, 14632955578, 75520363990, 389759189220, 2011540365174, 10381526171750, 53578887648690, 276519776741626, 1427114135562896]

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

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