A174317 - cp's OEIS frontend

A174317 a(0)=1, a(1)=2, a(2)=1; for n>2, a(n) = 7*2^(n-3)-2.

n	a(n)
0	1
1	2
2	1
3	5
4	12
5	26
6	54
7	110
8	222
9	446
10	894
11	1790
12	3582
13	7166
14	14334
15	28670
16	57342
17	114686
18	229374
19	458750
20	917502
21	1835006
22	3670014
23	7340030
24	14680062
25	29360126
26	58720254
27	117440510
28	234881022
29	469762046
30	939524094
31	1879048190
32	3758096382

[1, 2, 1, 5, 12, 26, 54, 110, 222, 446, 894, 1790, 3582, 7166, 14334, 28670, 57342, 114686, 229374, 458750, 917502, 1835006, 3670014, 7340030, 14680062, 29360126, 58720254, 117440510, 234881022, 469762046, 939524094, 1879048190, 3758096382]

cp's OEIS Frontend

A174317 a(0)=1, a(1)=2, a(2)=1; for n>2, a(n) = 7*2^(n-3)-2.

Table of values

List of values