A363910 - cp's OEIS frontend

A363910 Triangular array read by rows: T(n,k) = the number of closed meanders with n top arches and k closed meanders in the reduction of the closed meander by the reverse of the exterior arch splitting algorithm.

n	a(n)
1	1
2	0
3	2
4	0
5	2
6	6
7	0
8	6
9	14
10	22
11	0
12	28
13	56
14	86
15	92
16	0
17	162
18	298
19	428
20	518
21	422
22	0
23	1076
24	1868
25	2562
26	3096
27	3144
28	2074
29	0
30	7852
31	13076
32	17292
33	20624
34	21990
35	19366
36	10754

[1, 0, 2, 0, 2, 6, 0, 6, 14, 22, 0, 28, 56, 86, 92, 0, 162, 298, 428, 518, 422, 0, 1076, 1868, 2562, 3096, 3144, 2074, 0, 7852, 13076, 17292, 20624, 21990, 19366, 10754]

cp's OEIS Frontend

A363910 Triangular array read by rows: T(n,k) = the number of closed meanders with n top arches and k closed meanders in the reduction of the closed meander by the reverse of the exterior arch splitting algorithm.

Table of values

List of values