A318694 - cp's OEIS frontend

A318694 Expansion of e.g.f. Product_{i>=1, j>=1} (1 + x^(ij)/(ij)).

n	a(n)
0	1
1	1
2	2
3	10
4	40
5	248
6	1868
7	14516
8	131920
9	1409040
10	15697872
11	191687472
12	2663239104
13	37878672960
14	582357866400
15	9898540886880
16	172534018584960
17	3192686545714560
18	63844374067107840
19	1309775114921541120
20	28512040933544970240
21	656888836504576112640
22	15495311684125737031680

[1, 1, 2, 10, 40, 248, 1868, 14516, 131920, 1409040, 15697872, 191687472, 2663239104, 37878672960, 582357866400, 9898540886880, 172534018584960, 3192686545714560, 63844374067107840, 1309775114921541120, 28512040933544970240, 656888836504576112640, 15495311684125737031680]

cp's OEIS Frontend

A318694 Expansion of e.g.f. Product_{i>=1, j>=1} (1 + x^(ij)/(ij)).

Table of values

List of values

cp's OEIS Frontend

A318694 Expansion of e.g.f. Product_{i>=1, j>=1} (1 + x^(i*j)/(i*j)).

Table of values

List of values

A318694 Expansion of e.g.f. Product_{i>=1, j>=1} (1 + x^(ij)/(ij)).