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.

A381818 Expansion of ( (1/x) * Series_Reversion( x * ((1-x) / C(x))^2 ) )^(1/2), where C(x) is the g.f. of A000108.

Table of values

n a(n)
0 1
1 2
2 12
3 97
4 903
5 9129
6 97419
7 1080058
8 12319200
9 143630575
10 1704099034
11 20507897766
12 249734145622
13 3071587654688
14 38102046141882
15 476138815310364
16 5988435287060671
17 75745116484532586
18 962898676577135634
19 12295850972794555196
20 157649023155654522723
21 2028662477759375282902

List of values

[1, 2, 12, 97, 903, 9129, 97419, 1080058, 12319200, 143630575, 1704099034, 20507897766, 249734145622, 3071587654688, 38102046141882, 476138815310364, 5988435287060671, 75745116484532586, 962898676577135634, 12295850972794555196, 157649023155654522723, 2028662477759375282902]