A305122 - cp's OEIS frontend

A305122 G.f.: Sum_{k>=1} x^(2k)/(1+x^(2k)) * Product_{k>=1} (1+x^k)/(1-x^k).

n	a(n)
0	0
1	0
2	1
3	2
4	4
5	8
6	16
7	28
8	47
9	78
10	126
11	198
12	306
13	464
14	694
15	1024
16	1490
17	2146
18	3061
19	4322
20	6052
21	8408
22	11592
23	15872
24	21592
25	29192
26	39242
27	52468
28	69788
29	92376
30	121716
31	159664
32	208569
33	271372
34	351732
35	454228
36	584546
37	749720
38	958472
39	1221560
40	1552210
41	1966698

[0, 0, 1, 2, 4, 8, 16, 28, 47, 78, 126, 198, 306, 464, 694, 1024, 1490, 2146, 3061, 4322, 6052, 8408, 11592, 15872, 21592, 29192, 39242, 52468, 69788, 92376, 121716, 159664, 208569, 271372, 351732, 454228, 584546, 749720, 958472, 1221560, 1552210, 1966698]

cp's OEIS Frontend

A305122 G.f.: Sum_{k>=1} x^(2k)/(1+x^(2k)) * Product_{k>=1} (1+x^k)/(1-x^k).

Table of values

List of values

cp's OEIS Frontend

A305122 G.f.: Sum_{k>=1} x^(2*k)/(1+x^(2*k)) * Product_{k>=1} (1+x^k)/(1-x^k).

Table of values

List of values

A305122 G.f.: Sum_{k>=1} x^(2k)/(1+x^(2k)) * Product_{k>=1} (1+x^k)/(1-x^k).