A347679 - cp's OEIS frontend

A347679 Irregular triangle read by rows: T(n,k) (1 <= k <= 2*n) = number of n X k Baxter matrices in which all row sums are 2.

n	a(n)
1	0
2	1
3	0
4	0
5	2
6	4
7	0
8	0
9	0
10	3
11	24
12	26
13	0
14	0
15	0
16	0
17	8
18	98
19	284
20	214
21	0
22	0
23	0
24	0
25	0
26	19
27	374
28	1922
29	3496
30	2030
31	0
32	0
33	0
34	0
35	0
36	0
37	44
38	1342
39	10620
40	33398
41	44674
42	21174
43	0
44	0
45	0
46	0
47	0
48	0
49	0
50	111
51	4596
52	51904
53	245684
54	554500
55	589092
56	236410

[0, 1, 0, 0, 2, 4, 0, 0, 0, 3, 24, 26, 0, 0, 0, 0, 8, 98, 284, 214, 0, 0, 0, 0, 0, 19, 374, 1922, 3496, 2030, 0, 0, 0, 0, 0, 0, 44, 1342, 10620, 33398, 44674, 21174, 0, 0, 0, 0, 0, 0, 0, 111, 4596, 51904, 245684, 554500, 589092, 236410]

cp's OEIS Frontend

A347679 Irregular triangle read by rows: T(n,k) (1 <= k <= 2*n) = number of n X k Baxter matrices in which all row sums are 2.

Table of values

List of values