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.

A212237 Number of 0..2 arrays of length 4+2*n with sum no more than 2*n in any length 2n subsequence (=50% duty cycle).

Table of values

n a(n)
1 157
2 1895
3 19834
4 191853
5 1804448
6 16740414
7 154089343
8 1411275807
9 12881812440
10 117296944044
11 1066131740757
12 9676805664696
13 87736143094569
14 794774081112347
15 7194441026799642
16 65086616352089797
17 588530376516453384

List of values

[157, 1895, 19834, 191853, 1804448, 16740414, 154089343, 1411275807, 12881812440, 117296944044, 1066131740757, 9676805664696, 87736143094569, 794774081112347, 7194441026799642, 65086616352089797, 588530376516453384]