A193648 - cp's OEIS frontend

A193648 T(n,k)=Number of arrays of -k..k integers x(1..n) with every x(i) being in a substring of length 1 or 2 with sum zero. Array listed by antidiagonals.

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	7
7	1
8	7
9	13
10	15
11	1
12	9
13	19
14	37
15	33
16	1
17	11
18	25
19	67
20	105
21	73
22	1
23	13
24	31
25	105
26	217
27	297
28	161
29	1
30	15
31	37
32	151
33	369
34	721
35	841
36	355
37	1
38	17
39	43
40	205
41	561
42	1393
43	2377
44	2381
45	783
46	1
47	19
48	49
49	267
50	793
51	2361
52	5105
53	7855
54	6741
55	1727
56	1
57	21
58	55
59	337
60	1065
61	3673
62	9361

[1, 1, 3, 1, 5, 7, 1, 7, 13, 15, 1, 9, 19, 37, 33, 1, 11, 25, 67, 105, 73, 1, 13, 31, 105, 217, 297, 161, 1, 15, 37, 151, 369, 721, 841, 355, 1, 17, 43, 205, 561, 1393, 2377, 2381, 783, 1, 19, 49, 267, 793, 2361, 5105, 7855, 6741, 1727, 1, 21, 55, 337, 1065, 3673, 9361]

cp's OEIS Frontend

A193648 T(n,k)=Number of arrays of -k..k integers x(1..n) with every x(i) being in a substring of length 1 or 2 with sum zero. Array listed by antidiagonals.

Table of values

List of values