A153973 - cp's OEIS frontend

A153973 a(n) = 3a(n-1) - 2a(n-2), with a(1) = 9, a(2) = 12.

n	a(n)
1	9
2	12
3	18
4	30
5	54
6	102
7	198
8	390
9	774
10	1542
11	3078
12	6150
13	12294
14	24582
15	49158
16	98310
17	196614
18	393222
19	786438
20	1572870
21	3145734
22	6291462
23	12582918
24	25165830
25	50331654
26	100663302
27	201326598
28	402653190
29	805306374
30	1610612742
31	3221225478

[9, 12, 18, 30, 54, 102, 198, 390, 774, 1542, 3078, 6150, 12294, 24582, 49158, 98310, 196614, 393222, 786438, 1572870, 3145734, 6291462, 12582918, 25165830, 50331654, 100663302, 201326598, 402653190, 805306374, 1610612742, 3221225478]

cp's OEIS Frontend

A153973 a(n) = 3a(n-1) - 2a(n-2), with a(1) = 9, a(2) = 12.

Table of values

List of values

cp's OEIS Frontend

A153973 a(n) = 3*a(n-1) - 2*a(n-2), with a(1) = 9, a(2) = 12.

Table of values

List of values

A153973 a(n) = 3a(n-1) - 2a(n-2), with a(1) = 9, a(2) = 12.