A109516 - cp's OEIS frontend

A109516 a(n) is the (1,2)-entry of the n-th power of the 2 X 2 matrix [0,1;n-1,n-1].

n	a(n)
1	1
2	1
3	6
4	45
5	464
6	6000
7	93528
8	1707111
9	35721216
10	843160671
11	22165100000
12	642268811184
13	20339749638144
14	698946255836933
15	25903663544572800
16	1029945249481640625
17	43733528272753917952
18	1975222567881226040760

[1, 1, 6, 45, 464, 6000, 93528, 1707111, 35721216, 843160671, 22165100000, 642268811184, 20339749638144, 698946255836933, 25903663544572800, 1029945249481640625, 43733528272753917952, 1975222567881226040760]

cp's OEIS Frontend

A109516 a(n) is the (1,2)-entry of the n-th power of the 2 X 2 matrix [0,1;n-1,n-1].

Table of values

List of values