A059515 - cp's OEIS frontend

A059515 Square array T(k,n) by antidiagonals, where T(k,n) is number of ways of placing n identifiable nonnegative intervals with a total of exactly k starting and/or finishing points.

n	a(n)
0	1
1	0
2	0
3	0
4	1
5	0
6	0
7	1
8	1
9	0
10	0
11	0
12	7
13	1
14	0
15	0
16	0
17	12
18	25
19	1
20	0
21	0
22	0
23	6
24	138
25	79
26	1
27	0
28	0
29	0
30	0
31	294
32	1056
33	241
34	1
35	0
36	0
37	0
38	0
39	270
40	5298
41	7050
42	727
43	1
44	0
45	0
46	0
47	0
48	90
49	12780
50	70350
51	44472
52	2185
53	1
54	0
55	0
56	0
57	0
58	0
59	16020
60	334710
61	817746
62	273378
63	6559
64	1
65	0
66	0
67	0
68	0
69	0

[1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 7, 1, 0, 0, 0, 12, 25, 1, 0, 0, 0, 6, 138, 79, 1, 0, 0, 0, 0, 294, 1056, 241, 1, 0, 0, 0, 0, 270, 5298, 7050, 727, 1, 0, 0, 0, 0, 90, 12780, 70350, 44472, 2185, 1, 0, 0, 0, 0, 0, 16020, 334710, 817746, 273378, 6559, 1, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A059515 Square array T(k,n) by antidiagonals, where T(k,n) is number of ways of placing n identifiable nonnegative intervals with a total of exactly k starting and/or finishing points.

Table of values

List of values