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.

A248459 Number of length n+2 0..6 arrays with no three consecutive terms having the sum of any two elements equal to twice the third.

Table of values

n a(n)
1 282
2 1652
3 9684
4 56782
5 332940
6 1952254
7 11447368
8 67123652
9 393591402
10 2307892826
11 13532738130
12 79351606012
13 465292191408
14 2728323147524
15 15998005845580
16 93807139848202
17 550054773800480
18 3225343557770222

List of values

[282, 1652, 9684, 56782, 332940, 1952254, 11447368, 67123652, 393591402, 2307892826, 13532738130, 79351606012, 465292191408, 2728323147524, 15998005845580, 93807139848202, 550054773800480, 3225343557770222]

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

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