A125300 - cp's OEIS frontend

A125300 Tanimoto triangle read by rows: T(n,k) = number of "parity-alternating permutations" (PAPS) of n symbols with k ascents.

n	a(n)
1	1
2	1
3	1
4	1
5	0
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	6
14	2
15	1
16	1
17	9
18	26
19	26
20	9
21	1
22	1
23	8
24	39
25	48
26	39
27	8
28	1
29	1
30	23
31	165
32	387
33	387
34	165
35	23
36	1
37	1
38	22
39	228
40	674
41	1030
42	674
43	228
44	22
45	1
46	1
47	53
48	860
49	4292
50	9194
51	9194
52	4292
53	860
54	53
55	1
56	1
57	52
58	1149
59	7136
60	20738
61	28248
62	20738
63	7136
64	1149
65	52
66	1

[1, 1, 1, 1, 0, 1, 1, 3, 3, 1, 1, 2, 6, 2, 1, 1, 9, 26, 26, 9, 1, 1, 8, 39, 48, 39, 8, 1, 1, 23, 165, 387, 387, 165, 23, 1, 1, 22, 228, 674, 1030, 674, 228, 22, 1, 1, 53, 860, 4292, 9194, 9194, 4292, 860, 53, 1, 1, 52, 1149, 7136, 20738, 28248, 20738, 7136, 1149, 52, 1]

cp's OEIS Frontend

A125300 Tanimoto triangle read by rows: T(n,k) = number of "parity-alternating permutations" (PAPS) of n symbols with k ascents.

Table of values

List of values