A344559 - cp's OEIS frontend

A344559 a(n) = (1/6) * 2^(-n) * n! * [x^n] Exp(2x, 1)(Exp(2*x, 3) - 1), where Exp(x, m) = Sum_{k>=0} (x^k / k!)^m.

n	a(n)
0	0
1	0
2	0
3	1
4	4
5	10
6	35
7	140
8	476
9	1624
10	6070
11	22495
12	81455
13	301301
14	1131494
15	4230681
16	15852396
17	59881956
18	226877648
19	860447129
20	3273728234
21	12493453344
22	47760610689
23	182905145214
24	701883651799
25	2697952583635
26	10385325566785
27	40033903418860
28	154534663044346

[0, 0, 0, 1, 4, 10, 35, 140, 476, 1624, 6070, 22495, 81455, 301301, 1131494, 4230681, 15852396, 59881956, 226877648, 860447129, 3273728234, 12493453344, 47760610689, 182905145214, 701883651799, 2697952583635, 10385325566785, 40033903418860, 154534663044346]

cp's OEIS Frontend

A344559 a(n) = (1/6) * 2^(-n) * n! * [x^n] Exp(2x, 1)(Exp(2*x, 3) - 1), where Exp(x, m) = Sum_{k>=0} (x^k / k!)^m.

Table of values

List of values

cp's OEIS Frontend

A344559 a(n) = (1/6) * 2^(-n) * n! * [x^n] Exp(2*x, 1)*(Exp(2*x, 3) - 1), where Exp(x, m) = Sum_{k>=0} (x^k / k!)^m.

Table of values

List of values

A344559 a(n) = (1/6) * 2^(-n) * n! * [x^n] Exp(2x, 1)(Exp(2*x, 3) - 1), where Exp(x, m) = Sum_{k>=0} (x^k / k!)^m.