A345453 - cp's OEIS frontend

A345453 Triangle of optimist numbers T(n,k) (n >= 1, 0 <= k <= n-1) read by rows: permutations needing k steps to be sorted by the "optimist" algorithm.

n	a(n)
1	1
2	1
3	1
4	1
5	5
6	0
7	1
8	17
9	6
10	0
11	1
12	49
13	64
14	6
15	0
16	1
17	129
18	432
19	150
20	8
21	0
22	1
23	321
24	2356
25	2016
26	336
27	10
28	0
29	1
30	769
31	11340
32	19868
33	7564
34	764
35	14
36	0
37	1
38	1793
39	50248
40	162836
41	119586
42	26531
43	1855
44	30
45	0
46	1
47	4097
48	209900
49	1179520
50	1514171
51	621622
52	94192
53	5223
54	74
55	0

[1, 1, 1, 1, 5, 0, 1, 17, 6, 0, 1, 49, 64, 6, 0, 1, 129, 432, 150, 8, 0, 1, 321, 2356, 2016, 336, 10, 0, 1, 769, 11340, 19868, 7564, 764, 14, 0, 1, 1793, 50248, 162836, 119586, 26531, 1855, 30, 0, 1, 4097, 209900, 1179520, 1514171, 621622, 94192, 5223, 74, 0]

cp's OEIS Frontend

A345453 Triangle of optimist numbers T(n,k) (n >= 1, 0 <= k <= n-1) read by rows: permutations needing k steps to be sorted by the "optimist" algorithm.

Table of values

List of values