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.

A212236 Number of 0..2 arrays of length 3+2*n with sum no more than 2*n in any length 2n subsequence (=50% duty cycle).

Table of values

n a(n)
1 70
2 775
3 7596
4 71427
5 660796
6 6062948
7 55360211
8 503916387
9 4577086146
10 41509589394
11 376014757137
12 3403088304192
13 30777595344747
14 278194559997967
15 2513387971773920
16 22698724065174107
17 204927838029912468

List of values

[70, 775, 7596, 71427, 660796, 6062948, 55360211, 503916387, 4577086146, 41509589394, 376014757137, 3403088304192, 30777595344747, 278194559997967, 2513387971773920, 22698724065174107, 204927838029912468]