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.

A385287 a(0) = 1, a(1) = 0; a(n) = a(n-2) + Sum_{k=0..n-1} k * a(k) * a(n-1-k).

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 7
5 32
6 177
7 1148
8 8535
9 71552
10 668037
11 6877742
12 77448741
13 947342072
14 12512378625
15 177525399952
16 2693306735145
17 43516930747192
18 746123462304725
19 13531269497675506
20 258807528403312427
21 5206929233591435496
22 109929366336996502793
23 2430108139669253103756

List of values

[1, 0, 1, 2, 7, 32, 177, 1148, 8535, 71552, 668037, 6877742, 77448741, 947342072, 12512378625, 177525399952, 2693306735145, 43516930747192, 746123462304725, 13531269497675506, 258807528403312427, 5206929233591435496, 109929366336996502793, 2430108139669253103756]