A083313 - cp's OEIS frontend

A083313 a(0)=1; a(n) = 3^n - 2^(n-1) for n >= 1.

n	a(n)
0	1
1	2
2	7
3	23
4	73
5	227
6	697
7	2123
8	6433
9	19427
10	58537
11	176123
12	529393
13	1590227
14	4774777
15	14332523
16	43013953
17	129074627
18	387289417
19	1161999323
20	3486260113
21	10459304627
22	31378962457
23	94138984523
24	282421147873
25	847271832227
26	2541832273897
27	7625530376123

[1, 2, 7, 23, 73, 227, 697, 2123, 6433, 19427, 58537, 176123, 529393, 1590227, 4774777, 14332523, 43013953, 129074627, 387289417, 1161999323, 3486260113, 10459304627, 31378962457, 94138984523, 282421147873, 847271832227, 2541832273897, 7625530376123]

cp's OEIS Frontend

A083313 a(0)=1; a(n) = 3^n - 2^(n-1) for n >= 1.

Table of values

List of values