A317793 - cp's OEIS frontend

A317793 a(n) = (4^n + (-3)^n + 2^n + (-1)^n)/2.

n	a(n)
1	1
2	15
3	22
4	177
5	406
6	2445
7	7162
8	36177
9	121486
10	554325
11	2009602
12	8656377
13	32761366
14	136617405
15	529712842
16	2169039777
17	8525430046
18	34553579685
19	136858084882
20	551499730377
21	2193794127526
22	8811785649165
23	35137304693722
24	140878711512177
25	562526325893806

[1, 15, 22, 177, 406, 2445, 7162, 36177, 121486, 554325, 2009602, 8656377, 32761366, 136617405, 529712842, 2169039777, 8525430046, 34553579685, 136858084882, 551499730377, 2193794127526, 8811785649165, 35137304693722, 140878711512177, 562526325893806]

cp's OEIS Frontend

A317793 a(n) = (4^n + (-3)^n + 2^n + (-1)^n)/2.

Table of values

List of values