A201145 - cp's OEIS frontend

A201145 Triangle read by rows: number of meanders filling out an n X k grid, unreduced for symmetry.

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	0
7	0
8	1
9	2
10	11
11	0
12	1
13	2
14	42
15	320
16	0
17	1
18	6
19	199
20	3278
21	71648
22	0
23	1
24	10
25	858
26	29904
27	1369736
28	55717584
29	0
30	1
31	22
32	3881
33	285124
34	27876028
35	2372510658
36	213773992667
37	0
38	1
39	42
40	17156
41	2671052
42	549405072
43	98927211122
44	18677872557034
45	3437213982024260

[1, 0, 1, 0, 1, 0, 0, 1, 2, 11, 0, 1, 2, 42, 320, 0, 1, 6, 199, 3278, 71648, 0, 1, 10, 858, 29904, 1369736, 55717584, 0, 1, 22, 3881, 285124, 27876028, 2372510658, 213773992667, 0, 1, 42, 17156, 2671052, 549405072, 98927211122, 18677872557034, 3437213982024260]

cp's OEIS Frontend

A201145 Triangle read by rows: number of meanders filling out an n X k grid, unreduced for symmetry.

Table of values

List of values