A058798 - cp's OEIS frontend

A058798 a(n) = n*a(n-1) - a(n-2) with a(0) = 0, a(1) = 1.

n	a(n)
0	0
1	1
2	2
3	5
4	18
5	85
6	492
7	3359
8	26380
9	234061
10	2314230
11	25222469
12	300355398
13	3879397705
14	54011212472
15	806288789375
16	12846609417528
17	217586071308601
18	3903702674137290
19	73952764737299909
20	1475151592071860890

[0, 1, 2, 5, 18, 85, 492, 3359, 26380, 234061, 2314230, 25222469, 300355398, 3879397705, 54011212472, 806288789375, 12846609417528, 217586071308601, 3903702674137290, 73952764737299909, 1475151592071860890]

cp's OEIS Frontend

A058798 a(n) = n*a(n-1) - a(n-2) with a(0) = 0, a(1) = 1.

Table of values

List of values