A001053 - cp's OEIS frontend

A001053 a(n+1) = n*a(n) + a(n-1) with a(0)=1, a(1)=0.

n	a(n)
0	1
1	0
2	1
3	2
4	7
5	30
6	157
7	972
8	6961
9	56660
10	516901
11	5225670
12	57999271
13	701216922
14	9173819257
15	129134686520
16	1946194117057
17	31268240559432
18	533506283627401
19	9634381345852650
20	183586751854827751
21	3681369418442407670
22	77492344539145388821
23	1708512949279640961732

[1, 0, 1, 2, 7, 30, 157, 972, 6961, 56660, 516901, 5225670, 57999271, 701216922, 9173819257, 129134686520, 1946194117057, 31268240559432, 533506283627401, 9634381345852650, 183586751854827751, 3681369418442407670, 77492344539145388821, 1708512949279640961732]

cp's OEIS Frontend

A001053 a(n+1) = n*a(n) + a(n-1) with a(0)=1, a(1)=0.

Table of values

List of values