A345729 - cp's OEIS frontend

A345729 Expansion of Product_{k>=1} (1 + x^k + x^(k+2)).

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	6
6	7
7	11
8	15
9	20
10	28
11	36
12	50
13	62
14	86
15	105
16	141
17	175
18	226
19	283
20	358
21	446
22	557
23	691
24	852
25	1055
26	1286
27	1587
28	1918
29	2353
30	2830
31	3445
32	4134
33	4993
34	5977
35	7174
36	8555
37	10220
38	12138
39	14436
40	17092
41	20232
42	23896
43	28158
44	33172
45	38937
46	45736
47	53512
48	62662

[1, 1, 1, 3, 3, 6, 7, 11, 15, 20, 28, 36, 50, 62, 86, 105, 141, 175, 226, 283, 358, 446, 557, 691, 852, 1055, 1286, 1587, 1918, 2353, 2830, 3445, 4134, 4993, 5977, 7174, 8555, 10220, 12138, 14436, 17092, 20232, 23896, 28158, 33172, 38937, 45736, 53512, 62662]

cp's OEIS Frontend

A345729 Expansion of Product_{k>=1} (1 + x^k + x^(k+2)).

Table of values

List of values