A027188 - cp's OEIS frontend

A027188 a(n) = number of partitions of n into an odd number of parts, the least being 2; also a(n+2) = number of partitions of n into an even number of parts, each >=2.

n	a(n)
0	0
1	0
2	1
3	0
4	0
5	0
6	1
7	1
8	2
9	2
10	4
11	4
12	6
13	7
14	11
15	12
16	17
17	20
18	28
19	33
20	44
21	52
22	69
23	82
24	105
25	126
26	161
27	191
28	239
29	286
30	355
31	423
32	520
33	618
34	755
35	896
36	1084
37	1285
38	1549
39	1829
40	2190
41	2583
42	3079
43	3621
44	4297
45	5041
46	5960
47	6977
48	8214
49	9595
50	11264
51	13123
52	15353
53	17854
54	20828

[0, 0, 1, 0, 0, 0, 1, 1, 2, 2, 4, 4, 6, 7, 11, 12, 17, 20, 28, 33, 44, 52, 69, 82, 105, 126, 161, 191, 239, 286, 355, 423, 520, 618, 755, 896, 1084, 1285, 1549, 1829, 2190, 2583, 3079, 3621, 4297, 5041, 5960, 6977, 8214, 9595, 11264, 13123, 15353, 17854, 20828]

cp's OEIS Frontend

A027188 a(n) = number of partitions of n into an odd number of parts, the least being 2; also a(n+2) = number of partitions of n into an even number of parts, each >=2.

Table of values

List of values