A369326 - cp's OEIS frontend

A369326 Array read by ascending antidiagonals: A(n,k) is the number of words of length n over the alphabet [k] and sortable by a (2,1)-pop stack of depth 2.

n	a(n)
0	1
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	24
25	16
26	5
27	1
28	0
29	1
30	32
31	59
32	52
33	25
34	6
35	1
36	0
37	1
38	64
39	138
40	149
41	95
42	36
43	7
44	1
45	0
46	1
47	128
48	313
49	396
50	310
51	156
52	49
53	8
54	1
55	0
56	1
57	256
58	696
59	1003
60	923
61	571
62	238
63	64
64	9
65	1
66	0
67	1
68	512
69	1527
70	2458
71	2585
72	1884
73	966
74	344
75	81
76	10
77	1

[1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 4, 3, 1, 0, 1, 8, 9, 4, 1, 0, 1, 16, 24, 16, 5, 1, 0, 1, 32, 59, 52, 25, 6, 1, 0, 1, 64, 138, 149, 95, 36, 7, 1, 0, 1, 128, 313, 396, 310, 156, 49, 8, 1, 0, 1, 256, 696, 1003, 923, 571, 238, 64, 9, 1, 0, 1, 512, 1527, 2458, 2585, 1884, 966, 344, 81, 10, 1]

cp's OEIS Frontend

A369326 Array read by ascending antidiagonals: A(n,k) is the number of words of length n over the alphabet [k] and sortable by a (2,1)-pop stack of depth 2.

Table of values

List of values