A164366 - cp's OEIS frontend

A164366 Triangle read by rows: T(n,k) is the number of permutations of n elements with transposition distance equal to k, n >= 1 and 0 <= k <= A065603(n).

n	a(n)
1	1
2	1
3	1
4	1
5	4
6	1
7	1
8	10
9	12
10	1
11	1
12	20
13	68
14	31
15	1
16	35
17	259
18	380
19	45
20	1
21	56
22	770
23	2700
24	1513
25	1
26	84
27	1932
28	13467
29	22000
30	2836
31	1
32	120
33	4284
34	52512
35	191636
36	114327
37	1
38	165
39	8646
40	170907
41	1183457
42	2010571
43	255053
44	1
45	220
46	16203
47	484440
48	5706464
49	21171518
50	12537954
51	1
52	286
53	28600
54	1231230
55	22822293
56	157499810
57	265819779
58	31599601
59	1
60	364
61	48048
62	2864719
63	78829491
64	910047453
65	3341572727
66	1893657570
67	427
68	1
69	455
70	77441
71	6196333
72	241943403
73	4334283646
74	29432517384
75	47916472532
76	5246800005

[1, 1, 1, 1, 4, 1, 1, 10, 12, 1, 1, 20, 68, 31, 1, 35, 259, 380, 45, 1, 56, 770, 2700, 1513, 1, 84, 1932, 13467, 22000, 2836, 1, 120, 4284, 52512, 191636, 114327, 1, 165, 8646, 170907, 1183457, 2010571, 255053, 1, 220, 16203, 484440, 5706464, 21171518, 12537954, 1, 286, 28600, 1231230, 22822293, 157499810, 265819779, 31599601, 1, 364, 48048, 2864719, 78829491, 910047453, 3341572727, 1893657570, 427, 1, 455, 77441, 6196333, 241943403, 4334283646, 29432517384, 47916472532, 5246800005]

cp's OEIS Frontend

A164366 Triangle read by rows: T(n,k) is the number of permutations of n elements with transposition distance equal to k, n >= 1 and 0 <= k <= A065603(n).

Table of values

List of values