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.

A249473 Number of length 7+4 0..n arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.

Table of values

n a(n)
1 1546
2 41084
3 1422232
4 16249428
5 144140836
6 843025344
7 3940066010
8 15322870410
9 51559998434
10 153928094968
11 417597134828
12 1043160494934
13 2431475134350
14 5337351650512
15 11135359755600
16 22188626020430
17 42474008430092

List of values

[1546, 41084, 1422232, 16249428, 144140836, 843025344, 3940066010, 15322870410, 51559998434, 153928094968, 417597134828, 1043160494934, 2431475134350, 5337351650512, 11135359755600, 22188626020430, 42474008430092]

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

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