A346320 - cp's OEIS frontend

A346320 Number of permutations of [n] having five cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.

n	a(n)
5	1
6	15
7	175
8	1820
9	17913
10	171465
11	1619090
12	15203100
13	142623624
14	1340443104
15	12641487040
16	119734858880
17	1139445627392
18	10895927375616
19	104687442226688
20	1010398777492480
21	9793403768723456
22	95295673342836736
23	930591031216799744
24	9116681462478864384

[1, 15, 175, 1820, 17913, 171465, 1619090, 15203100, 142623624, 1340443104, 12641487040, 119734858880, 1139445627392, 10895927375616, 104687442226688, 1010398777492480, 9793403768723456, 95295673342836736, 930591031216799744, 9116681462478864384]

cp's OEIS Frontend

A346320 Number of permutations of [n] having five cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.

Table of values

List of values