A164593 - cp's OEIS frontend

A164593 a(n) = ((5 + sqrt(18))(2 + sqrt(8))^n + (5 - sqrt(18))(2 - sqrt(8))^n)/2.

n	a(n)
0	5
1	22
2	108
3	520
4	2512
5	12128
6	58560
7	282752
8	1365248
9	6592000
10	31828992
11	153683968
12	742051840
13	3582943232
14	17299980288
15	83531694080
16	403326697472
17	1947433566208
18	9403041054720
19	45401898483712
20	219219758153728
21	1058486626549760
22	5110825538813952
23	24677248661454848

[5, 22, 108, 520, 2512, 12128, 58560, 282752, 1365248, 6592000, 31828992, 153683968, 742051840, 3582943232, 17299980288, 83531694080, 403326697472, 1947433566208, 9403041054720, 45401898483712, 219219758153728, 1058486626549760, 5110825538813952, 24677248661454848]

cp's OEIS Frontend

A164593 a(n) = ((5 + sqrt(18))(2 + sqrt(8))^n + (5 - sqrt(18))(2 - sqrt(8))^n)/2.

Table of values

List of values

cp's OEIS Frontend

A164593 a(n) = ((5 + sqrt(18))*(2 + sqrt(8))^n + (5 - sqrt(18))*(2 - sqrt(8))^n)/2.

Table of values

List of values

A164593 a(n) = ((5 + sqrt(18))(2 + sqrt(8))^n + (5 - sqrt(18))(2 - sqrt(8))^n)/2.