A132011 - cp's OEIS frontend

A132011 Number of partitions of n into distinct parts such that 3*u<=v for all pairs (u,v) of parts with u

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	3
11	3
12	4
13	5
14	5
15	5
16	6
17	7
18	7
19	7
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	13
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	19
37	20
38	21
39	22
40	24
41	25
42	26
43	27
44	29
45	30
46	31
47	32
48	34
49	35
50	36
51	37
52	40
53	42
54	43
55	44
56	47
57	49
58	50
59	51
60	54
61	56
62	57
63	58
64	61
65	64
66	66
67	67
68	70
69	73
70	75
71	76
72	79
73	82
74	84
75	85
76	88
77	91

[1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5, 5, 6, 7, 7, 7, 8, 9, 9, 9, 10, 11, 12, 12, 13, 14, 15, 15, 16, 17, 18, 18, 19, 20, 21, 22, 24, 25, 26, 27, 29, 30, 31, 32, 34, 35, 36, 37, 40, 42, 43, 44, 47, 49, 50, 51, 54, 56, 57, 58, 61, 64, 66, 67, 70, 73, 75, 76, 79, 82, 84, 85, 88, 91]

cp's OEIS Frontend

A132011 Number of partitions of n into distinct parts such that 3*u<=v for all pairs (u,v) of parts with u

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	3
11	3
12	4
13	5
14	5
15	5
16	6
17	7
18	7
19	7
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	13
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	19
37	20
38	21
39	22
40	24
41	25
42	26
43	27
44	29
45	30
46	31
47	32
48	34
49	35
50	36
51	37
52	40
53	42
54	43
55	44
56	47
57	49
58	50
59	51
60	54
61	56
62	57
63	58
64	61
65	64
66	66
67	67
68	70
69	73
70	75
71	76
72	79
73	82
74	84
75	85
76	88
77	91

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	3
11	3
12	4
13	5
14	5
15	5
16	6
17	7
18	7
19	7
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	13
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	19
37	20
38	21
39	22
40	24
41	25
42	26
43	27
44	29
45	30
46	31
47	32
48	34
49	35
50	36
51	37
52	40
53	42
54	43
55	44
56	47
57	49
58	50
59	51
60	54
61	56
62	57
63	58
64	61
65	64
66	66
67	67
68	70
69	73
70	75
71	76
72	79
73	82
74	84
75	85
76	88
77	91

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	2
8	3
9	3
10	3
11	3
12	4
13	5
14	5
15	5
16	6
17	7
18	7
19	7
20	8
21	9
22	9
23	9
24	10
25	11
26	12
27	12
28	13
29	14
30	15
31	15
32	16
33	17
34	18
35	18
36	19
37	20
38	21
39	22
40	24
41	25
42	26
43	27
44	29
45	30
46	31
47	32
48	34
49	35
50	36
51	37
52	40
53	42
54	43
55	44
56	47
57	49
58	50
59	51
60	54
61	56
62	57
63	58
64	61
65	64
66	66
67	67
68	70
69	73
70	75
71	76
72	79
73	82
74	84
75	85
76	88
77	91