A334773 - cp's OEIS frontend

A334773 Array read by antidiagonals: T(n,k) is the number of permutations of k indistinguishable copies of 1..n with exactly 2 local maxima.

n	a(n)
2	3
3	12
4	57
5	30
6	360
7	705
8	60
9	1400
10	7968
11	7617
12	105
13	4170
14	51750
15	163584
16	78357
17	168
18	10437
19	241080
20	1830000
21	3293184
22	791589
23	252
24	23072
25	894201
26	13562040
27	64168750
28	65968128
29	7944321
30	360
31	46440
32	2804480
33	75278553
34	759940800
35	2246625000
36	1319854080
37	79541625

[3, 12, 57, 30, 360, 705, 60, 1400, 7968, 7617, 105, 4170, 51750, 163584, 78357, 168, 10437, 241080, 1830000, 3293184, 791589, 252, 23072, 894201, 13562040, 64168750, 65968128, 7944321, 360, 46440, 2804480, 75278553, 759940800, 2246625000, 1319854080, 79541625]

cp's OEIS Frontend

A334773 Array read by antidiagonals: T(n,k) is the number of permutations of k indistinguishable copies of 1..n with exactly 2 local maxima.

Table of values

List of values