A067078 - cp's OEIS frontend

A067078 a(1) = 1, a(2) = 2, a(n) = (n-1)a(n-1) - (n-2)a(n-2).

n	a(n)
1	1
2	2
3	3
4	5
5	11
6	35
7	155
8	875
9	5915
10	46235
11	409115
12	4037915
13	43954715
14	522956315
15	6749977115
16	93928268315
17	1401602636315
18	22324392524315
19	378011820620315
20	6780385526348315
21	128425485935180315
22	2561327494111820315

[1, 2, 3, 5, 11, 35, 155, 875, 5915, 46235, 409115, 4037915, 43954715, 522956315, 6749977115, 93928268315, 1401602636315, 22324392524315, 378011820620315, 6780385526348315, 128425485935180315, 2561327494111820315]

cp's OEIS Frontend

A067078 a(1) = 1, a(2) = 2, a(n) = (n-1)a(n-1) - (n-2)a(n-2).

Table of values

List of values

cp's OEIS Frontend

A067078 a(1) = 1, a(2) = 2, a(n) = (n-1)*a(n-1) - (n-2)*a(n-2).

Table of values

List of values

A067078 a(1) = 1, a(2) = 2, a(n) = (n-1)a(n-1) - (n-2)a(n-2).