A305472 - cp's OEIS frontend

A305472 a(0) = 1, a(1) = 3, a(n) = 3na(n-1) - 2*a(n-2).

n	a(n)
0	1
1	3
2	16
3	138
4	1624
5	24084
6	430264
7	8987376
8	214836496
9	5782610640
10	173048646208
11	5699040103584
12	204819346436608
13	7976556430820544
14	334605731401589632
15	15041304800209892352
16	721313418947271653632
17	36756901756710434550528

[1, 3, 16, 138, 1624, 24084, 430264, 8987376, 214836496, 5782610640, 173048646208, 5699040103584, 204819346436608, 7976556430820544, 334605731401589632, 15041304800209892352, 721313418947271653632, 36756901756710434550528]

cp's OEIS Frontend

A305472 a(0) = 1, a(1) = 3, a(n) = 3na(n-1) - 2*a(n-2).

Table of values

List of values

cp's OEIS Frontend

A305472 a(0) = 1, a(1) = 3, a(n) = 3*n*a(n-1) - 2*a(n-2).

Table of values

List of values

A305472 a(0) = 1, a(1) = 3, a(n) = 3na(n-1) - 2*a(n-2).