A224734 - cp's OEIS frontend

A224734 G.f.: exp( Sum_{n>=1} binomial(2n,n)^2 x^n/n ).

n	a(n)
0	1
1	4
2	26
3	216
4	2075
5	21916
6	247326
7	2930216
8	36028117
9	456089076
10	5910983050
11	78100285784
12	1048696065394
13	14275198859304
14	196610207633100
15	2735542102308752
16	38400942393884068
17	543307627503591440
18	7740605626606127512
19	110970838624540461472
20	1599834676405793089013

[1, 4, 26, 216, 2075, 21916, 247326, 2930216, 36028117, 456089076, 5910983050, 78100285784, 1048696065394, 14275198859304, 196610207633100, 2735542102308752, 38400942393884068, 543307627503591440, 7740605626606127512, 110970838624540461472, 1599834676405793089013]

cp's OEIS Frontend

A224734 G.f.: exp( Sum_{n>=1} binomial(2n,n)^2 x^n/n ).

Table of values

List of values

cp's OEIS Frontend

A224734 G.f.: exp( Sum_{n>=1} binomial(2*n,n)^2 * x^n/n ).

Table of values

List of values

A224734 G.f.: exp( Sum_{n>=1} binomial(2n,n)^2 x^n/n ).