A221459 - cp's OEIS frontend

A221459 T(n,k)=Number of 0..k arrays of length n with each element unequal to at least one neighbor, with new values introduced in 0..k order.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	1
7	0
8	1
9	2
10	2
11	0
12	1
13	2
14	6
15	3
16	0
17	1
18	2
19	7
20	16
21	5
22	0
23	1
24	2
25	7
26	24
27	44
28	8
29	0
30	1
31	2
32	7
33	25
34	88
35	120
36	13
37	0
38	1
39	2
40	7
41	25
42	101
43	328
44	328
45	21
46	0
47	1
48	2
49	7
50	25
51	102
52	436
53	1235
54	896
55	34
56	0
57	1
58	2
59	7
60	25
61	102
62	455
63	1971
64	4668
65	2448
66	55
67	0
68	1
69	2
70	7
71	25
72	102
73	456
74	2192
75	9159
76	17675

[0, 0, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 2, 6, 3, 0, 1, 2, 7, 16, 5, 0, 1, 2, 7, 24, 44, 8, 0, 1, 2, 7, 25, 88, 120, 13, 0, 1, 2, 7, 25, 101, 328, 328, 21, 0, 1, 2, 7, 25, 102, 436, 1235, 896, 34, 0, 1, 2, 7, 25, 102, 455, 1971, 4668, 2448, 55, 0, 1, 2, 7, 25, 102, 456, 2192, 9159, 17675]

cp's OEIS Frontend

A221459 T(n,k)=Number of 0..k arrays of length n with each element unequal to at least one neighbor, with new values introduced in 0..k order.

Table of values

List of values