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.

A248460 Number of length n+2 0..7 arrays with no three consecutive terms having the sum of any two elements equal to twice the third.

Table of values

n a(n)
1 432
2 2956
3 20236
4 138534
5 948412
6 6493036
7 44452660
8 304332258
9 2083523194
10 14264241960
11 97656029050
12 668573914642
13 4577199017242
14 31336476646048
15 214536174915418
16 1468760220688680
17 10055444434320028
18 68841708367472026

List of values

[432, 2956, 20236, 138534, 948412, 6493036, 44452660, 304332258, 2083523194, 14264241960, 97656029050, 668573914642, 4577199017242, 31336476646048, 214536174915418, 1468760220688680, 10055444434320028, 68841708367472026]

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

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