A163610 - cp's OEIS frontend

A163610 a(n) = ((5 + 2sqrt(2))(4 + sqrt(2))^n + (5 - 2sqrt(2))(4 - sqrt(2))^n)/2.

n	a(n)
0	5
1	24
2	122
3	640
4	3412
5	18336
6	98920
7	534656
8	2892368
9	15653760
10	84736928
11	458742784
12	2483625280
13	13446603264
14	72802072192
15	394164131840
16	2134084044032
17	11554374506496
18	62557819435520
19	338701312393216
20	1833801027048448

[5, 24, 122, 640, 3412, 18336, 98920, 534656, 2892368, 15653760, 84736928, 458742784, 2483625280, 13446603264, 72802072192, 394164131840, 2134084044032, 11554374506496, 62557819435520, 338701312393216, 1833801027048448]

cp's OEIS Frontend

A163610 a(n) = ((5 + 2sqrt(2))(4 + sqrt(2))^n + (5 - 2sqrt(2))(4 - sqrt(2))^n)/2.

Table of values

List of values

cp's OEIS Frontend

A163610 a(n) = ((5 + 2*sqrt(2))*(4 + sqrt(2))^n + (5 - 2*sqrt(2))*(4 - sqrt(2))^n)/2.

Table of values

List of values

A163610 a(n) = ((5 + 2sqrt(2))(4 + sqrt(2))^n + (5 - 2sqrt(2))(4 - sqrt(2))^n)/2.