A347678 - cp's OEIS frontend

A347678 Triangle read by rows: T(n,k) (1 <= k <= n) = number of n X k Baxter matrices in which all row sums are 1.

n	a(n)
1	1
2	1
3	2
4	1
5	6
6	6
7	1
8	12
9	32
10	22
11	1
12	20
13	100
14	172
15	92
16	1
17	30
18	240
19	744
20	956
21	422
22	1
23	42
24	490
25	2364
26	5328
27	5492
28	2074
29	1
30	56
31	896
32	6174
33	21236
34	37618
35	32490
36	10754
37	1
38	72
39	1512
40	14056
41	68030
42	181140
43	264612
44	197144
45	58202
46	1
47	90
48	2400
49	28896
50	186462
51	690444
52	1497544
53	1863222
54	1222642
55	326240

[1, 1, 2, 1, 6, 6, 1, 12, 32, 22, 1, 20, 100, 172, 92, 1, 30, 240, 744, 956, 422, 1, 42, 490, 2364, 5328, 5492, 2074, 1, 56, 896, 6174, 21236, 37618, 32490, 10754, 1, 72, 1512, 14056, 68030, 181140, 264612, 197144, 58202, 1, 90, 2400, 28896, 186462, 690444, 1497544, 1863222, 1222642, 326240]

cp's OEIS Frontend

A347678 Triangle read by rows: T(n,k) (1 <= k <= n) = number of n X k Baxter matrices in which all row sums are 1.

Table of values

List of values