A317910 - cp's OEIS frontend

A317910 Expansion of -1/(1 - x)^2 + (1/(1 - x))*Product_{k>=1} (1 + x^k).

n	a(n)
0	0
1	0
2	0
3	1
4	2
5	4
6	7
7	11
8	16
9	23
10	32
11	43
12	57
13	74
14	95
15	121
16	152
17	189
18	234
19	287
20	350
21	425
22	513
23	616
24	737
25	878
26	1042
27	1233
28	1454
29	1709
30	2004
31	2343
32	2732
33	3179
34	3690
35	4274
36	4941
37	5700
38	6563
39	7544
40	8656
41	9915
42	11340
43	12949
44	14764
45	16811
46	19114
47	21703
48	24612
49	27875
50	31532
51	35628
52	40209

[0, 0, 0, 1, 2, 4, 7, 11, 16, 23, 32, 43, 57, 74, 95, 121, 152, 189, 234, 287, 350, 425, 513, 616, 737, 878, 1042, 1233, 1454, 1709, 2004, 2343, 2732, 3179, 3690, 4274, 4941, 5700, 6563, 7544, 8656, 9915, 11340, 12949, 14764, 16811, 19114, 21703, 24612, 27875, 31532, 35628, 40209]

cp's OEIS Frontend

A317910 Expansion of -1/(1 - x)^2 + (1/(1 - x))*Product_{k>=1} (1 + x^k).

Table of values

List of values