A300411 - cp's OEIS frontend

A300411 a(0) = a(1) = 1; a(n) = [x^n] Product_{k=1..n-1} 1/(1 - a(k)*x^a(k)).

n	a(n)
0	1
1	1
2	1
3	4
4	9
5	14
6	19
7	24
8	45
9	75
10	105
11	135
12	229
13	359
14	503
15	647
16	1047
17	1591
18	2272
19	2972
20	4696
21	6996
22	9844
23	12894
24	20064
25	29538
26	41204
27	54407
28	84457
29	123723
30	171757
31	225939
32	348643
33	508693
34	703815
35	923529
36	1423892
37	2076942
38	2870977
39	3763380
40	5778379
41	8414332
42	11621307

[1, 1, 1, 4, 9, 14, 19, 24, 45, 75, 105, 135, 229, 359, 503, 647, 1047, 1591, 2272, 2972, 4696, 6996, 9844, 12894, 20064, 29538, 41204, 54407, 84457, 123723, 171757, 225939, 348643, 508693, 703815, 923529, 1423892, 2076942, 2870977, 3763380, 5778379, 8414332, 11621307]

cp's OEIS Frontend

A300411 a(0) = a(1) = 1; a(n) = [x^n] Product_{k=1..n-1} 1/(1 - a(k)*x^a(k)).

Table of values

List of values