A162891 - cp's OEIS frontend

A162891 Expansion of 1 / Product_{k>=1} (1-x^k-x^(2*k)).

n	a(n)
0	1
1	1
2	3
3	5
4	11
5	18
6	36
7	59
8	109
9	181
10	318
11	525
12	902
13	1481
14	2492
15	4087
16	6788
17	11090
18	18274
19	29776
20	48772
21	79332
22	129411
23	210172
24	341958
25	554728
26	900872
27	1460298
28	2368555
29	3837147
30	6218652
31	10070389
32	16311432
33	26407350
34	42757335
35	69208746
36	112032256
37	181316714

[1, 1, 3, 5, 11, 18, 36, 59, 109, 181, 318, 525, 902, 1481, 2492, 4087, 6788, 11090, 18274, 29776, 48772, 79332, 129411, 210172, 341958, 554728, 900872, 1460298, 2368555, 3837147, 6218652, 10070389, 16311432, 26407350, 42757335, 69208746, 112032256, 181316714]

cp's OEIS Frontend

A162891 Expansion of 1 / Product_{k>=1} (1-x^k-x^(2*k)).

Table of values

List of values