A217333 - cp's OEIS frontend

A217333 G.f.: exp( Sum_{n>=1} x^n/n * Sum_{k=0..n} binomial(n,k)^2 * x^k/(1-x)^k ).

n	a(n)
0	1
1	1
2	2
3	5
4	12
5	29
6	72
7	182
8	466
9	1207
10	3158
11	8334
12	22158
13	59299
14	159614
15	431838
16	1173710
17	3203244
18	8774780
19	24118522
20	66497316
21	183858411
22	509670494
23	1416231616
24	3944027402
25	11006186760
26	30772507128
27	86191006746
28	241815195292
29	679488418879
30	1912123070998

[1, 1, 2, 5, 12, 29, 72, 182, 466, 1207, 3158, 8334, 22158, 59299, 159614, 431838, 1173710, 3203244, 8774780, 24118522, 66497316, 183858411, 509670494, 1416231616, 3944027402, 11006186760, 30772507128, 86191006746, 241815195292, 679488418879, 1912123070998]

cp's OEIS Frontend

A217333 G.f.: exp( Sum_{n>=1} x^n/n * Sum_{k=0..n} binomial(n,k)^2 * x^k/(1-x)^k ).

Table of values

List of values