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.

A386263 G.f. A(x) satisfies A(x) = 1/( (1-x)^2 * (1 - x*A(x) - 2*x^2*A'(x)) ).

Table of values

n a(n)
0 1
1 3
2 15
3 121
4 1333
5 18091
6 286867
7 5158385
8 103226313
9 2269474723
10 54307112951
11 1404350909545
12 39020894189245
13 1159475912653163
14 36695329075865083
15 1232560854783934561
16 43801551907551784721
17 1642199848241650875907
18 64789265823476378293855

List of values

[1, 3, 15, 121, 1333, 18091, 286867, 5158385, 103226313, 2269474723, 54307112951, 1404350909545, 39020894189245, 1159475912653163, 36695329075865083, 1232560854783934561, 43801551907551784721, 1642199848241650875907, 64789265823476378293855]