A161941 - cp's OEIS frontend

A161941 a(n) = ((4+sqrt(2))(2+sqrt(2))^n + (4-sqrt(2))(2-sqrt(2))^n)/4.

n	a(n)
0	2
1	5
2	16
3	54
4	184
5	628
6	2144
7	7320
8	24992
9	85328
10	291328
11	994656
12	3395968
13	11594560
14	39586304
15	135156096
16	461451776
17	1575494912
18	5379076096
19	18365314560
20	62703106048
21	214081795072
22	730920968192
23	2495520282624
24	8520239194112

[2, 5, 16, 54, 184, 628, 2144, 7320, 24992, 85328, 291328, 994656, 3395968, 11594560, 39586304, 135156096, 461451776, 1575494912, 5379076096, 18365314560, 62703106048, 214081795072, 730920968192, 2495520282624, 8520239194112]

cp's OEIS Frontend

A161941 a(n) = ((4+sqrt(2))(2+sqrt(2))^n + (4-sqrt(2))(2-sqrt(2))^n)/4.

Table of values

List of values

cp's OEIS Frontend

A161941 a(n) = ((4+sqrt(2))*(2+sqrt(2))^n + (4-sqrt(2))*(2-sqrt(2))^n)/4.

Table of values

List of values

A161941 a(n) = ((4+sqrt(2))(2+sqrt(2))^n + (4-sqrt(2))(2-sqrt(2))^n)/4.