A303000 - cp's OEIS frontend

A303000 a(n) = permanent of the n X n matrix with entries a(i, i) = i^2 and a(i, j) = 1 elsewhere.

n	a(n)
1	1
2	5
3	52
4	918
5	24630
6	934938
7	47736048
8	3157054776
9	262661665176
10	26857133054424
11	3311299323349920
12	484541686800059760
13	83031688670103506160
14	16472545369548670950480
15	3746065113561656467249920
16	968109978211279792380074880
17	282158259444905145777416119680

[1, 5, 52, 918, 24630, 934938, 47736048, 3157054776, 262661665176, 26857133054424, 3311299323349920, 484541686800059760, 83031688670103506160, 16472545369548670950480, 3746065113561656467249920, 968109978211279792380074880, 282158259444905145777416119680]

cp's OEIS Frontend

A303000 a(n) = permanent of the n X n matrix with entries a(i, i) = i^2 and a(i, j) = 1 elsewhere.

Table of values

List of values