A298636 - cp's OEIS frontend

A298636 Square array T(m,n) = number of ways to draw m-1 horizontal lines [a(i),b(i)] with 0 <= a(i) < b(i) <= n such that if two lines start or end on the same coordinate, no intermediate line crosses this coordinate (see comments); m, n >= 1.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	1
8	6
9	9
10	1
11	1
12	10
13	36
14	23
15	1
16	1
17	15
18	100
19	181
20	53
21	1
22	1
23	21
24	225
25	845
26	775
27	115
28	1
29	1
30	28
31	441
32	2890
33	5957
34	2956
35	241
36	1
37	1
38	36
39	784
40	8036
41	30862
42	36148
43	10426
44	495
45	1
46	1
47	45
48	1296
49	19278
50	122276
51	278530
52	195934
53	34899
54	1005
55	1
56	1
57	55
58	2025
59	41406
60	398874
61	1560118

[1, 1, 1, 1, 3, 1, 1, 6, 9, 1, 1, 10, 36, 23, 1, 1, 15, 100, 181, 53, 1, 1, 21, 225, 845, 775, 115, 1, 1, 28, 441, 2890, 5957, 2956, 241, 1, 1, 36, 784, 8036, 30862, 36148, 10426, 495, 1, 1, 45, 1296, 19278, 122276, 278530, 195934, 34899, 1005, 1, 1, 55, 2025, 41406, 398874, 1560118]

cp's OEIS Frontend

A298636 Square array T(m,n) = number of ways to draw m-1 horizontal lines [a(i),b(i)] with 0 <= a(i) < b(i) <= n such that if two lines start or end on the same coordinate, no intermediate line crosses this coordinate (see comments); m, n >= 1.

Table of values

List of values