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.

A227367 a(0)=1, a(n+1) = a(0) + a(1)*a(2) + a(3)*a(4)*a(5) + a(6)*a(7)*a(8)*a(9) + ... + ...*a(n).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 6
5 21
6 381
7 762
8 290703
9 84397476747
10 7122934049104967061783
11 14245868098209934123566
12 101472378935797762635619628499635817245339961
13 10296643686890133479148472187437767614663729545766251948487237380959682684821520304732841

List of values

[1, 1, 2, 3, 6, 21, 381, 762, 290703, 84397476747, 7122934049104967061783, 14245868098209934123566, 101472378935797762635619628499635817245339961, 10296643686890133479148472187437767614663729545766251948487237380959682684821520304732841]