A371481 - cp's OEIS frontend

A371481 Expansion of e.g.f. Product_{k>=1} (1 + x^k/k!)^(k*(k+1)/2).

n	a(n)
0	1
1	1
2	3
3	15
4	52
5	335
6	2031
7	12880
8	102614
9	802443
10	6956995
11	64721756
12	633754320
13	6551212057
14	71375943289
15	820250162880
16	9747543483676
17	121775559807881
18	1580353806494781
19	21246545374234378
20	296590230821338520
21	4280692741624646151
22	63852747607056438283

[1, 1, 3, 15, 52, 335, 2031, 12880, 102614, 802443, 6956995, 64721756, 633754320, 6551212057, 71375943289, 820250162880, 9747543483676, 121775559807881, 1580353806494781, 21246545374234378, 296590230821338520, 4280692741624646151, 63852747607056438283]

cp's OEIS Frontend

A371481 Expansion of e.g.f. Product_{k>=1} (1 + x^k/k!)^(k*(k+1)/2).

Table of values

List of values