A172968 - cp's OEIS frontend

A172968 a(n) = 7*a(n-1) - a(n-2) for n>1, a(0)=1, a(1)=2.

n	a(n)
0	1
1	2
2	13
3	89
4	610
5	4181
6	28657
7	196418
8	1346269
9	9227465
10	63245986
11	433494437
12	2971215073
13	20365011074
14	139583862445
15	956722026041
16	6557470319842
17	44945570212853
18	308061521170129
19	2111485077978050
20	14472334024676221

[1, 2, 13, 89, 610, 4181, 28657, 196418, 1346269, 9227465, 63245986, 433494437, 2971215073, 20365011074, 139583862445, 956722026041, 6557470319842, 44945570212853, 308061521170129, 2111485077978050, 14472334024676221]

cp's OEIS Frontend

A172968 a(n) = 7*a(n-1) - a(n-2) for n>1, a(0)=1, a(1)=2.

Table of values

List of values