A350053 - cp's OEIS frontend

A350053 a(n) = (2^(3*n + 3 + (-1)^n) - (6 + (-1)^n))/9, for n >= 1.

n	a(n)
1	3
2	113
3	227
4	7281
5	14563
6	466033
7	932067
8	29826161
9	59652323
10	1908874353
11	3817748707
12	122167958641
13	244335917283
14	7818749353073
15	15637498706147
16	500399958596721
17	1000799917193443
18	32025597350190193
19	64051194700380387

[3, 113, 227, 7281, 14563, 466033, 932067, 29826161, 59652323, 1908874353, 3817748707, 122167958641, 244335917283, 7818749353073, 15637498706147, 500399958596721, 1000799917193443, 32025597350190193, 64051194700380387]

cp's OEIS Frontend

A350053 a(n) = (2^(3*n + 3 + (-1)^n) - (6 + (-1)^n))/9, for n >= 1.

Table of values

List of values