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.

A256819 Number of length n+4 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs.

Table of values

n a(n)
1 32
2 64
3 128
4 256
5 484
6 856
7 1424
8 2249
9 3402
10 4965
11 7032
12 9710
13 13120
14 17398
15 22696
16 29183
17 37046
18 46491
19 57744
20 71052
21 86684
22 104932
23 126112
24 150565
25 178658
26 210785
27 247368
28 288858
29 335736
30 388514
31 447736
32 513979
33 587854
34 670007
35 761120
36 861912

List of values

[32, 64, 128, 256, 484, 856, 1424, 2249, 3402, 4965, 7032, 9710, 13120, 17398, 22696, 29183, 37046, 46491, 57744, 71052, 86684, 104932, 126112, 150565, 178658, 210785, 247368, 288858, 335736, 388514, 447736, 513979, 587854, 670007, 761120, 861912]