A121353 - cp's OEIS frontend

A121353 a(n) = (3n - 2)a(n-1) - a(n-2) starting a(0)=0, a(1)=1.

n	a(n)
0	0
1	1
2	4
3	27
4	266
5	3431
6	54630
7	1034539
8	22705228
9	566596161
10	15841987280
11	490535009519
12	16662348336366
13	616016353436023
14	24623991789104554
15	1058215630578059799
16	48653295014801646200
17	2382953240094702604001
18	123864915189909733761852
19	6810187382204940654297859

[0, 1, 4, 27, 266, 3431, 54630, 1034539, 22705228, 566596161, 15841987280, 490535009519, 16662348336366, 616016353436023, 24623991789104554, 1058215630578059799, 48653295014801646200, 2382953240094702604001, 123864915189909733761852, 6810187382204940654297859]

cp's OEIS Frontend

A121353 a(n) = (3n - 2)a(n-1) - a(n-2) starting a(0)=0, a(1)=1.

Table of values

List of values

cp's OEIS Frontend

A121353 a(n) = (3*n - 2)*a(n-1) - a(n-2) starting a(0)=0, a(1)=1.

Table of values

List of values

A121353 a(n) = (3n - 2)a(n-1) - a(n-2) starting a(0)=0, a(1)=1.