A058279 - cp's OEIS frontend

A058279 a(0)=a(1)=1, a(n)=a(n-2)+(n+1)*a(n-1).

n	a(n)
0	1
1	1
2	4
3	17
4	89
5	551
6	3946
7	32119
8	293017
9	2962289
10	32878196
11	397500641
12	5200386529
13	73202912047
14	1103244067234
15	17725107987791
16	302430079859681
17	5461466545462049
18	104070294443638612
19	2086867355418234289
20	43928284758226558681
21	968509132036402525271

[1, 1, 4, 17, 89, 551, 3946, 32119, 293017, 2962289, 32878196, 397500641, 5200386529, 73202912047, 1103244067234, 17725107987791, 302430079859681, 5461466545462049, 104070294443638612, 2086867355418234289, 43928284758226558681, 968509132036402525271]

cp's OEIS Frontend

A058279 a(0)=a(1)=1, a(n)=a(n-2)+(n+1)*a(n-1).

Table of values

List of values