A362490 - cp's OEIS frontend

A362490 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/3)} (k/6)^j * (3j+1)^(n-2j-1) / (j! * (n-3*j)!).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	1
15	1
16	1
17	1
18	3
19	17
20	1
21	1
22	1
23	1
24	4
25	33
26	161
27	1
28	1
29	1
30	1
31	5
32	49
33	321
34	1351
35	1
36	1
37	1
38	1
39	6
40	65
41	481
42	2841
43	12391
44	1
45	1
46	1
47	1
48	7
49	81
50	641
51	4471
52	31641
53	153385
54	1
55	1
56	1
57	1
58	8
59	97
60	801
61	6241
62	57751
63	498849
64	2388905
65	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 17, 1, 1, 1, 1, 4, 33, 161, 1, 1, 1, 1, 5, 49, 321, 1351, 1, 1, 1, 1, 6, 65, 481, 2841, 12391, 1, 1, 1, 1, 7, 81, 641, 4471, 31641, 153385, 1, 1, 1, 1, 8, 97, 801, 6241, 57751, 498849, 2388905, 1]

cp's OEIS Frontend

A362490 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/3)} (k/6)^j * (3j+1)^(n-2j-1) / (j! * (n-3*j)!).

Table of values

List of values

cp's OEIS Frontend

A362490 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/3)} (k/6)^j * (3*j+1)^(n-2*j-1) / (j! * (n-3*j)!).

Table of values

List of values

A362490 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * Sum_{j=0..floor(n/3)} (k/6)^j * (3j+1)^(n-2j-1) / (j! * (n-3*j)!).