A369324 - cp's OEIS frontend

A369324 Array read by ascending antidiagonals: A(n,k) is the number of words of length n on an alphabet [k], avoiding 120 and 210, and sortable by a stack of depth 2, where k >= 0.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	3
14	1
15	0
16	1
17	8
18	9
19	4
20	1
21	0
22	1
23	16
24	25
25	16
26	5
27	1
28	0
29	1
30	32
31	65
32	56
33	25
34	6
35	1
36	0
37	1
38	64
39	161
40	176
41	105
42	36
43	7
44	1
45	0
46	1
47	128
48	385
49	512
50	385
51	176
52	49
53	8
54	1
55	0
56	1
57	256
58	897
59	1408
60	1281
61	736
62	273
63	64
64	9
65	1
66	0
67	1
68	512
69	2049
70	3712
71	3969
72	2752
73	1281
74	400
75	81
76	10
77	1

[0, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 4, 3, 1, 0, 1, 8, 9, 4, 1, 0, 1, 16, 25, 16, 5, 1, 0, 1, 32, 65, 56, 25, 6, 1, 0, 1, 64, 161, 176, 105, 36, 7, 1, 0, 1, 128, 385, 512, 385, 176, 49, 8, 1, 0, 1, 256, 897, 1408, 1281, 736, 273, 64, 9, 1, 0, 1, 512, 2049, 3712, 3969, 2752, 1281, 400, 81, 10, 1]

cp's OEIS Frontend

A369324 Array read by ascending antidiagonals: A(n,k) is the number of words of length n on an alphabet [k], avoiding 120 and 210, and sortable by a stack of depth 2, where k >= 0.

Table of values

List of values