A026923 - cp's OEIS frontend

A026923 Number of partitions of n into an odd number of parts, the greatest being 3; also, a(n+5) = number of partitions of n+2 into an even number of parts, each <= 3.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	3
8	2
9	4
10	3
11	6
12	5
13	8
14	7
15	11
16	9
17	13
18	12
19	17
20	15
21	20
22	18
23	24
24	22
25	28
26	26
27	33
28	30
29	37
30	35
31	43
32	40
33	48
34	45
35	54
36	51
37	60
38	57
39	67
40	63
41	73
42	70
43	81
44	77
45	88
46	84
47	96
48	92
49	104
50	100
51	113
52	108
53	121
54	117
55	131

[0, 0, 1, 0, 1, 1, 3, 2, 4, 3, 6, 5, 8, 7, 11, 9, 13, 12, 17, 15, 20, 18, 24, 22, 28, 26, 33, 30, 37, 35, 43, 40, 48, 45, 54, 51, 60, 57, 67, 63, 73, 70, 81, 77, 88, 84, 96, 92, 104, 100, 113, 108, 121, 117, 131]

cp's OEIS Frontend

A026923 Number of partitions of n into an odd number of parts, the greatest being 3; also, a(n+5) = number of partitions of n+2 into an even number of parts, each <= 3.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	3
8	2
9	4
10	3
11	6
12	5
13	8
14	7
15	11
16	9
17	13
18	12
19	17
20	15
21	20
22	18
23	24
24	22
25	28
26	26
27	33
28	30
29	37
30	35
31	43
32	40
33	48
34	45
35	54
36	51
37	60
38	57
39	67
40	63
41	73
42	70
43	81
44	77
45	88
46	84
47	96
48	92
49	104
50	100
51	113
52	108
53	121
54	117
55	131

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	3
8	2
9	4
10	3
11	6
12	5
13	8
14	7
15	11
16	9
17	13
18	12
19	17
20	15
21	20
22	18
23	24
24	22
25	28
26	26
27	33
28	30
29	37
30	35
31	43
32	40
33	48
34	45
35	54
36	51
37	60
38	57
39	67
40	63
41	73
42	70
43	81
44	77
45	88
46	84
47	96
48	92
49	104
50	100
51	113
52	108
53	121
54	117
55	131

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	3
8	2
9	4
10	3
11	6
12	5
13	8
14	7
15	11
16	9
17	13
18	12
19	17
20	15
21	20
22	18
23	24
24	22
25	28
26	26
27	33
28	30
29	37
30	35
31	43
32	40
33	48
34	45
35	54
36	51
37	60
38	57
39	67
40	63
41	73
42	70
43	81
44	77
45	88
46	84
47	96
48	92
49	104
50	100
51	113
52	108
53	121
54	117
55	131