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.

A212470 Number of 0..3 arrays of length n+13 with sum no more than 21 in any length 14 subsequence (=50% duty cycle).

Table of values

n a(n)
1 146861788
2 523487828
3 1908601444
4 7023308036
5 25966120647
6 96239314549
7 357117150362
8 1325550644016
9 4918335298665
10 18232047941771
11 67489103954016
12 249349516426188
13 919083218908202
14 3377977784235134
15 12373106402582424

List of values

[146861788, 523487828, 1908601444, 7023308036, 25966120647, 96239314549, 357117150362, 1325550644016, 4918335298665, 18232047941771, 67489103954016, 249349516426188, 919083218908202, 3377977784235134, 12373106402582424]

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

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