A318416 - cp's OEIS frontend

A318416 Expansion of Product_{i>=1, j>=1} (1 + ijx^(i*j)).

n	a(n)
0	1
1	1
2	4
3	10
4	22
5	50
6	115
7	231
8	470
9	995
10	1912
11	3745
12	7222
13	13608
14	25345
15	47322
16	85654
17	155163
18	278867
19	494080
20	870618
21	1524769
22	2640527
23	4549564
24	7802037
25	13251684
26	22412317
27	37706268
28	63015263
29	104800015
30	173574936
31	285694401
32	468449681
33	764775169
34	1242535747
35	2010866469
36	3242127656

[1, 1, 4, 10, 22, 50, 115, 231, 470, 995, 1912, 3745, 7222, 13608, 25345, 47322, 85654, 155163, 278867, 494080, 870618, 1524769, 2640527, 4549564, 7802037, 13251684, 22412317, 37706268, 63015263, 104800015, 173574936, 285694401, 468449681, 764775169, 1242535747, 2010866469, 3242127656]

cp's OEIS Frontend

A318416 Expansion of Product_{i>=1, j>=1} (1 + ijx^(i*j)).

Table of values

List of values

cp's OEIS Frontend

A318416 Expansion of Product_{i>=1, j>=1} (1 + i*j*x^(i*j)).

Table of values

List of values

A318416 Expansion of Product_{i>=1, j>=1} (1 + ijx^(i*j)).