A342238 - cp's OEIS frontend

A342238 Table read by upward antidiagonals: T(n,k) is the number of strings of length k over an n-letter alphabet that do not begin with a palindrome of two or more letters; n, k >= 1.

n	a(n)
1	1
2	2
3	0
4	3
5	2
6	0
7	4
8	6
9	2
10	0
11	5
12	12
13	12
14	2
15	0
16	6
17	20
18	36
19	30
20	2
21	0
22	7
23	30
24	80
25	132
26	78
27	2
28	0
29	8
30	42
31	150
32	380
33	492
34	222
35	2
36	0
37	9
38	56
39	252
40	870
41	1820
42	1932
43	636
44	2
45	0
46	10
47	72
48	392
49	1722
50	5070
51	9020
52	7596
53	1878
54	2
55	0
56	11
57	90
58	576
59	3080
60	11802
61	30270
62	44720
63	30252
64	5556
65	2
66	0

[1, 2, 0, 3, 2, 0, 4, 6, 2, 0, 5, 12, 12, 2, 0, 6, 20, 36, 30, 2, 0, 7, 30, 80, 132, 78, 2, 0, 8, 42, 150, 380, 492, 222, 2, 0, 9, 56, 252, 870, 1820, 1932, 636, 2, 0, 10, 72, 392, 1722, 5070, 9020, 7596, 1878, 2, 0, 11, 90, 576, 3080, 11802, 30270, 44720, 30252, 5556, 2, 0]

cp's OEIS Frontend

A342238 Table read by upward antidiagonals: T(n,k) is the number of strings of length k over an n-letter alphabet that do not begin with a palindrome of two or more letters; n, k >= 1.

Table of values

List of values