A362730 - cp's OEIS frontend

A362730 a(n) = [x^n] E(x)^n where E(x) = exp( Sum_{k >= 1} binomial(2k,k)^2x^k/k ).

n	a(n)
0	1
1	4
2	68
3	1336
4	27972
5	607004
6	13478072
7	304083224
8	6941422916
9	159882680452
10	3708781743068
11	86526900550864
12	2028273983776440
13	47733938489878528
14	1127187050415921304
15	26694934151138897336
16	633813403549444601156
17	15082008687681962081088
18	359592614152718921447108

[1, 4, 68, 1336, 27972, 607004, 13478072, 304083224, 6941422916, 159882680452, 3708781743068, 86526900550864, 2028273983776440, 47733938489878528, 1127187050415921304, 26694934151138897336, 633813403549444601156, 15082008687681962081088, 359592614152718921447108]

cp's OEIS Frontend

A362730 a(n) = [x^n] E(x)^n where E(x) = exp( Sum_{k >= 1} binomial(2k,k)^2x^k/k ).

Table of values

List of values

cp's OEIS Frontend

A362730 a(n) = [x^n] E(x)^n where E(x) = exp( Sum_{k >= 1} binomial(2*k,k)^2*x^k/k ).

Table of values

List of values

A362730 a(n) = [x^n] E(x)^n where E(x) = exp( Sum_{k >= 1} binomial(2k,k)^2x^k/k ).