A124327 - cp's OEIS frontend

A124327 Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n} such that the sum of the least entries of the blocks is k (1<=k<=n*(n+1)/2).

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	0
10	1
11	1
12	0
13	4
14	2
15	1
16	3
17	2
18	1
19	0
20	1
21	1
22	0
23	8
24	4
25	2
26	10
27	6
28	7
29	2
30	5
31	3
32	2
33	1
34	0
35	1
36	1
37	0
38	16
39	8
40	4
41	29
42	19
43	21
44	14
45	23
46	14
47	18
48	10
49	7
50	7
51	5
52	3
53	2
54	1
55	0
56	1
57	1
58	0
59	32
60	16
61	8
62	85
63	56
64	64
65	42
66	101
67	62
68	75
69	69
70	47
71	54
72	38
73	38
74	24
75	23
76	10
77	13
78	7
79	5
80	3
81	2
82	1
83	0
84	1
85	1
86	0
87	64
88	32
89	16

[1, 1, 0, 1, 1, 0, 2, 1, 0, 1, 1, 0, 4, 2, 1, 3, 2, 1, 0, 1, 1, 0, 8, 4, 2, 10, 6, 7, 2, 5, 3, 2, 1, 0, 1, 1, 0, 16, 8, 4, 29, 19, 21, 14, 23, 14, 18, 10, 7, 7, 5, 3, 2, 1, 0, 1, 1, 0, 32, 16, 8, 85, 56, 64, 42, 101, 62, 75, 69, 47, 54, 38, 38, 24, 23, 10, 13, 7, 5, 3, 2, 1, 0, 1, 1, 0, 64, 32, 16]

cp's OEIS Frontend

A124327 Triangle read by rows: T(n,k) is the number of partitions of the set {1,2,...,n} such that the sum of the least entries of the blocks is k (1<=k<=n*(n+1)/2).

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	0
10	1
11	1
12	0
13	4
14	2
15	1
16	3
17	2
18	1
19	0
20	1
21	1
22	0
23	8
24	4
25	2
26	10
27	6
28	7
29	2
30	5
31	3
32	2
33	1
34	0
35	1
36	1
37	0
38	16
39	8
40	4
41	29
42	19
43	21
44	14
45	23
46	14
47	18
48	10
49	7
50	7
51	5
52	3
53	2
54	1
55	0
56	1
57	1
58	0
59	32
60	16
61	8
62	85
63	56
64	64
65	42
66	101
67	62
68	75
69	69
70	47
71	54
72	38
73	38
74	24
75	23
76	10
77	13
78	7
79	5
80	3
81	2
82	1
83	0
84	1
85	1
86	0
87	64
88	32
89	16

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	0
10	1
11	1
12	0
13	4
14	2
15	1
16	3
17	2
18	1
19	0
20	1
21	1
22	0
23	8
24	4
25	2
26	10
27	6
28	7
29	2
30	5
31	3
32	2
33	1
34	0
35	1
36	1
37	0
38	16
39	8
40	4
41	29
42	19
43	21
44	14
45	23
46	14
47	18
48	10
49	7
50	7
51	5
52	3
53	2
54	1
55	0
56	1
57	1
58	0
59	32
60	16
61	8
62	85
63	56
64	64
65	42
66	101
67	62
68	75
69	69
70	47
71	54
72	38
73	38
74	24
75	23
76	10
77	13
78	7
79	5
80	3
81	2
82	1
83	0
84	1
85	1
86	0
87	64
88	32
89	16

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	2
8	1
9	0
10	1
11	1
12	0
13	4
14	2
15	1
16	3
17	2
18	1
19	0
20	1
21	1
22	0
23	8
24	4
25	2
26	10
27	6
28	7
29	2
30	5
31	3
32	2
33	1
34	0
35	1
36	1
37	0
38	16
39	8
40	4
41	29
42	19
43	21
44	14
45	23
46	14
47	18
48	10
49	7
50	7
51	5
52	3
53	2
54	1
55	0
56	1
57	1
58	0
59	32
60	16
61	8
62	85
63	56
64	64
65	42
66	101
67	62
68	75
69	69
70	47
71	54
72	38
73	38
74	24
75	23
76	10
77	13
78	7
79	5
80	3
81	2
82	1
83	0
84	1
85	1
86	0
87	64
88	32
89	16