A331332 - cp's OEIS frontend

A331332 Sparse ruler statistics: T(n,k) (0 <= k <= n) is the number of rulers with length n where the length of the first segment appears k times. Triangle read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	3
13	0
14	1
15	0
16	8
17	4
18	3
19	0
20	1
21	0
22	14
23	9
24	4
25	4
26	0
27	1
28	0
29	26
30	16
31	12
32	4
33	5
34	0
35	1
36	0
37	46
38	34
39	21
40	15
41	5
42	6
43	0
44	1
45	0
46	85
47	64
48	45
49	28
50	20
51	6
52	7
53	0
54	1
55	0
56	155
57	124
58	90
59	64
60	36
61	27
62	7
63	8
64	0
65	1
66	0
67	286
68	236
69	183
70	128
71	90
72	48
73	35
74	8
75	9
76	0
77	1
78	0
79	528
80	452
81	361
82	269
83	185
84	126
85	63
86	44
87	9
88	10
89	0
90	1

[1, 0, 1, 0, 1, 1, 0, 3, 0, 1, 0, 4, 3, 0, 1, 0, 8, 4, 3, 0, 1, 0, 14, 9, 4, 4, 0, 1, 0, 26, 16, 12, 4, 5, 0, 1, 0, 46, 34, 21, 15, 5, 6, 0, 1, 0, 85, 64, 45, 28, 20, 6, 7, 0, 1, 0, 155, 124, 90, 64, 36, 27, 7, 8, 0, 1, 0, 286, 236, 183, 128, 90, 48, 35, 8, 9, 0, 1, 0, 528, 452, 361, 269, 185, 126, 63, 44, 9, 10, 0, 1]

cp's OEIS Frontend

A331332 Sparse ruler statistics: T(n,k) (0 <= k <= n) is the number of rulers with length n where the length of the first segment appears k times. Triangle read by rows.

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	3
13	0
14	1
15	0
16	8
17	4
18	3
19	0
20	1
21	0
22	14
23	9
24	4
25	4
26	0
27	1
28	0
29	26
30	16
31	12
32	4
33	5
34	0
35	1
36	0
37	46
38	34
39	21
40	15
41	5
42	6
43	0
44	1
45	0
46	85
47	64
48	45
49	28
50	20
51	6
52	7
53	0
54	1
55	0
56	155
57	124
58	90
59	64
60	36
61	27
62	7
63	8
64	0
65	1
66	0
67	286
68	236
69	183
70	128
71	90
72	48
73	35
74	8
75	9
76	0
77	1
78	0
79	528
80	452
81	361
82	269
83	185
84	126
85	63
86	44
87	9
88	10
89	0
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	3
13	0
14	1
15	0
16	8
17	4
18	3
19	0
20	1
21	0
22	14
23	9
24	4
25	4
26	0
27	1
28	0
29	26
30	16
31	12
32	4
33	5
34	0
35	1
36	0
37	46
38	34
39	21
40	15
41	5
42	6
43	0
44	1
45	0
46	85
47	64
48	45
49	28
50	20
51	6
52	7
53	0
54	1
55	0
56	155
57	124
58	90
59	64
60	36
61	27
62	7
63	8
64	0
65	1
66	0
67	286
68	236
69	183
70	128
71	90
72	48
73	35
74	8
75	9
76	0
77	1
78	0
79	528
80	452
81	361
82	269
83	185
84	126
85	63
86	44
87	9
88	10
89	0
90	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	3
8	0
9	1
10	0
11	4
12	3
13	0
14	1
15	0
16	8
17	4
18	3
19	0
20	1
21	0
22	14
23	9
24	4
25	4
26	0
27	1
28	0
29	26
30	16
31	12
32	4
33	5
34	0
35	1
36	0
37	46
38	34
39	21
40	15
41	5
42	6
43	0
44	1
45	0
46	85
47	64
48	45
49	28
50	20
51	6
52	7
53	0
54	1
55	0
56	155
57	124
58	90
59	64
60	36
61	27
62	7
63	8
64	0
65	1
66	0
67	286
68	236
69	183
70	128
71	90
72	48
73	35
74	8
75	9
76	0
77	1
78	0
79	528
80	452
81	361
82	269
83	185
84	126
85	63
86	44
87	9
88	10
89	0
90	1