A199909 - cp's OEIS frontend

A199909 T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum, and adjacent elements not equal modulo three (with -1 modulo 3 = 2).

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	6
7	1
8	4
9	12
10	8
11	1
12	6
13	24
14	24
15	14
16	1
17	8
18	42
19	72
20	82
21	32
22	1
23	8
24	60
25	152
26	256
27	232
28	56
29	1
30	10
31	84
32	256
33	804
34	1312
35	654
36	100
37	1
38	12
39	114
40	448
41	1836
42	5016
43	5206
44	2044
45	204
46	1
47	12
48	144
49	680
50	3196
51	12872
52	24864
53	21208
54	6096
55	388
56	1
57	14
58	180
59	952
60	6064
61	29864
62	77874

[1, 1, 2, 1, 4, 6, 1, 4, 12, 8, 1, 6, 24, 24, 14, 1, 8, 42, 72, 82, 32, 1, 8, 60, 152, 256, 232, 56, 1, 10, 84, 256, 804, 1312, 654, 100, 1, 12, 114, 448, 1836, 5016, 5206, 2044, 204, 1, 12, 144, 680, 3196, 12872, 24864, 21208, 6096, 388, 1, 14, 180, 952, 6064, 29864, 77874]

cp's OEIS Frontend

A199909 T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum, and adjacent elements not equal modulo three (with -1 modulo 3 = 2).

Table of values

List of values