A319106 - cp's OEIS frontend

A319106 Expansion of Product_{k>=1} (1 + x^k)^ceiling(k/2).

n	a(n)
0	1
1	1
2	1
3	3
4	4
5	7
6	11
7	17
8	26
9	40
10	60
11	88
12	131
13	190
14	276
15	398
16	568
17	806
18	1142
19	1603
20	2242
21	3124
22	4328
23	5973
24	8214
25	11249
26	15349
27	20879
28	28297
29	38235
30	51513
31	69190
32	92674
33	123811
34	164961
35	219248
36	290705
37	384537
38	507515
39	668376
40	878339
41	1151899
42	1507679
43	1969503
44	2567976
45	3342227

[1, 1, 1, 3, 4, 7, 11, 17, 26, 40, 60, 88, 131, 190, 276, 398, 568, 806, 1142, 1603, 2242, 3124, 4328, 5973, 8214, 11249, 15349, 20879, 28297, 38235, 51513, 69190, 92674, 123811, 164961, 219248, 290705, 384537, 507515, 668376, 878339, 1151899, 1507679, 1969503, 2567976, 3342227]

cp's OEIS Frontend

A319106 Expansion of Product_{k>=1} (1 + x^k)^ceiling(k/2).

Table of values

List of values