A205486 - cp's OEIS frontend

A205486 G.f.: exp( Sum_{n>=1} (x^n/n) / Product_{d|n} (1 - d*x^(n/d))^d ).

n	a(n)
0	1
1	1
2	2
3	5
4	16
5	60
6	259
7	1273
8	7048
9	43241
10	289685
11	2097912
12	16317134
13	135574160
14	1196898329
15	11168544771
16	109647222799
17	1128440311914
18	12139734936953
19	136195813530558
20	1590028534430967
21	19277087785530470
22	242235954813757132
23	3149491477171141810

[1, 1, 2, 5, 16, 60, 259, 1273, 7048, 43241, 289685, 2097912, 16317134, 135574160, 1196898329, 11168544771, 109647222799, 1128440311914, 12139734936953, 136195813530558, 1590028534430967, 19277087785530470, 242235954813757132, 3149491477171141810]

cp's OEIS Frontend

A205486 G.f.: exp( Sum_{n>=1} (x^n/n) / Product_{d|n} (1 - d*x^(n/d))^d ).

Table of values

List of values