A350364 - cp's OEIS frontend

A350364 Array read by antidiagonals: T(n,k) is the number of sequences of length n with terms in 1..k such that all Hankel matrices of an odd number of consecutive terms are invertible, n, k >= 0.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	3
12	4
13	0
14	0
15	1
16	4
17	9
18	6
19	0
20	0
21	1
22	5
23	16
24	24
25	10
26	0
27	0
28	1
29	6
30	25
31	58
32	66
33	14
34	0
35	0
36	1
37	7
38	36
39	118
40	212
41	174
42	20
43	0
44	0
45	1
46	8
47	49
48	208
49	560
50	758
51	462
52	20
53	0
54	0
55	1
56	9
57	64
58	334
59	1206
60	2620
61	2722
62	1178
63	22
64	0
65	0

[1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 4, 0, 0, 1, 4, 9, 6, 0, 0, 1, 5, 16, 24, 10, 0, 0, 1, 6, 25, 58, 66, 14, 0, 0, 1, 7, 36, 118, 212, 174, 20, 0, 0, 1, 8, 49, 208, 560, 758, 462, 20, 0, 0, 1, 9, 64, 334, 1206, 2620, 2722, 1178, 22, 0, 0]

cp's OEIS Frontend

A350364 Array read by antidiagonals: T(n,k) is the number of sequences of length n with terms in 1..k such that all Hankel matrices of an odd number of consecutive terms are invertible, n, k >= 0.

Table of values

List of values