A084643 - cp's OEIS frontend

A084643 a(n) = 3^(n-1)(2n-3) + 2^(n+1).

n	a(n)
0	1
1	3
2	11
3	43
4	167
5	631
6	2315
7	8275
8	28943
9	99439
10	336659
11	1126027
12	3728279
13	12239527
14	39890843
15	129205699
16	416249375
17	1334710495
18	4262149667
19	13560765691
20	43005771431
21	135988785943
22	428882869931
23	1349402340403

[1, 3, 11, 43, 167, 631, 2315, 8275, 28943, 99439, 336659, 1126027, 3728279, 12239527, 39890843, 129205699, 416249375, 1334710495, 4262149667, 13560765691, 43005771431, 135988785943, 428882869931, 1349402340403]

cp's OEIS Frontend

A084643 a(n) = 3^(n-1)(2n-3) + 2^(n+1).

Table of values

List of values

cp's OEIS Frontend

A084643 a(n) = 3^(n-1)*(2*n-3) + 2^(n+1).

Table of values

List of values

A084643 a(n) = 3^(n-1)(2n-3) + 2^(n+1).