A164298 - cp's OEIS frontend

A164298 a(n) = ((1+4sqrt(2))(2+sqrt(2))^n + (1-4sqrt(2))(2-sqrt(2))^n)/2.

n	a(n)
0	1
1	10
2	38
3	132
4	452
5	1544
6	5272
7	18000
8	61456
9	209824
10	716384
11	2445888
12	8350784
13	28511360
14	97343872
15	332352768
16	1134723328
17	3874187776
18	13227304448
19	45160842240
20	154188760064
21	526433355776
22	1797355902976
23	6136556900352
24	20951515795456
25	71532949381120

[1, 10, 38, 132, 452, 1544, 5272, 18000, 61456, 209824, 716384, 2445888, 8350784, 28511360, 97343872, 332352768, 1134723328, 3874187776, 13227304448, 45160842240, 154188760064, 526433355776, 1797355902976, 6136556900352, 20951515795456, 71532949381120]

cp's OEIS Frontend

A164298 a(n) = ((1+4sqrt(2))(2+sqrt(2))^n + (1-4sqrt(2))(2-sqrt(2))^n)/2.

Table of values

List of values

cp's OEIS Frontend

A164298 a(n) = ((1+4*sqrt(2))*(2+sqrt(2))^n + (1-4*sqrt(2))*(2-sqrt(2))^n)/2.

Table of values

List of values

A164298 a(n) = ((1+4sqrt(2))(2+sqrt(2))^n + (1-4sqrt(2))(2-sqrt(2))^n)/2.