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.

A249214 Number of length 2+6 0..n arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.

Table of values

n a(n)
1 250
2 4586
3 51200
4 294568
5 1267754
6 4353482
7 12777540
8 32910110
9 77097762
10 165865332
11 335432460
12 639208042
13 1165096450
14 2034488164
15 3435664024
16 5608125804
17 8919812138
18 13812228622
19 20946412056
20 31084523896
21 45360185886

List of values

[250, 4586, 51200, 294568, 1267754, 4353482, 12777540, 32910110, 77097762, 165865332, 335432460, 639208042, 1165096450, 2034488164, 3435664024, 5608125804, 8919812138, 13812228622, 20946412056, 31084523896, 45360185886]

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

Content is available under The OEIS End-User License Agreement.