A358161 - cp's OEIS frontend

A358161 a(n) is the permanent of the n X n matrix M(n) that is defined by M[i,j] = ceiling(i*j/3).

n	a(n)
0	1
1	1
2	3
3	19
4	434
5	18142
6	1138592
7	131646240
8	22247821152
9	4990553682336
10	1661493079305216
11	729074911776673536
12	397903630707426852864
13	290086114501734871449600
14	262660633302518916820992000
15	284075108357948520100761600000
16	385808192325346588875691868160000
17	626209817056857125529475382231040000

[1, 1, 3, 19, 434, 18142, 1138592, 131646240, 22247821152, 4990553682336, 1661493079305216, 729074911776673536, 397903630707426852864, 290086114501734871449600, 262660633302518916820992000, 284075108357948520100761600000, 385808192325346588875691868160000, 626209817056857125529475382231040000]

cp's OEIS Frontend

A358161 a(n) is the permanent of the n X n matrix M(n) that is defined by M[i,j] = ceiling(i*j/3).

Table of values

List of values