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.

A363417 a(n) = Sum_{j=0..2^n - 1} b(j) for n >= 0 where b(n) = (A023416(n) + 1)*b(A053645(n)) + [A036987(n) = 0]*b(A266341(n)) for n > 0 with b(0) = 1.

Table of values

n a(n)
0 1
1 2
2 6
3 23
4 106
5 566
6 3415
7 22872
8 167796
9 1334596
10 11414192
11 104270906
12 1011793389
13 10379989930
14 112134625986
15 1271209859403
16 15077083642150
17 186588381229340
18 2403775013224000
19 32168379148440968
20 446341838086450308
21 6410107231501731012
22 95136428354649665256

List of values

[1, 2, 6, 23, 106, 566, 3415, 22872, 167796, 1334596, 11414192, 104270906, 1011793389, 10379989930, 112134625986, 1271209859403, 15077083642150, 186588381229340, 2403775013224000, 32168379148440968, 446341838086450308, 6410107231501731012, 95136428354649665256]