A164031 - cp's OEIS frontend

A164031 a(n) = ((2+3sqrt(2))(5+sqrt(2))^n+(2-3sqrt(2))(5-sqrt(2))^n)/4.

n	a(n)
0	1
1	8
2	57
3	386
4	2549
5	16612
6	107493
7	692854
8	4456201
9	28626368
10	183771057
11	1179304106
12	7566306749
13	48539073052
14	311365675293
15	1997258072734
16	12811170195601
17	82174766283128
18	527090748332457
19	3380887858812626

[1, 8, 57, 386, 2549, 16612, 107493, 692854, 4456201, 28626368, 183771057, 1179304106, 7566306749, 48539073052, 311365675293, 1997258072734, 12811170195601, 82174766283128, 527090748332457, 3380887858812626]

cp's OEIS Frontend

A164031 a(n) = ((2+3sqrt(2))(5+sqrt(2))^n+(2-3sqrt(2))(5-sqrt(2))^n)/4.

Table of values

List of values

cp's OEIS Frontend

A164031 a(n) = ((2+3*sqrt(2))*(5+sqrt(2))^n+(2-3*sqrt(2))*(5-sqrt(2))^n)/4.

Table of values

List of values

A164031 a(n) = ((2+3sqrt(2))(5+sqrt(2))^n+(2-3sqrt(2))(5-sqrt(2))^n)/4.