A161734 - cp's OEIS frontend

A161734 a(n) = ((2+sqrt(2))(5+sqrt(2))^n+(2-sqrt(2))(5-sqrt(2))^n)/4.

n	a(n)
0	1
1	6
2	37
3	232
4	1469
5	9354
6	59753
7	382388
8	2449561
9	15700686
10	100666957
11	645553792
12	4140197909
13	26554241874
14	170317866833
15	1092431105228
16	7007000115121
17	44944085730966
18	288279854661877
19	1849084574806552
20	11860409090842349
21	76075145687872794

[1, 6, 37, 232, 1469, 9354, 59753, 382388, 2449561, 15700686, 100666957, 645553792, 4140197909, 26554241874, 170317866833, 1092431105228, 7007000115121, 44944085730966, 288279854661877, 1849084574806552, 11860409090842349, 76075145687872794]

cp's OEIS Frontend

A161734 a(n) = ((2+sqrt(2))(5+sqrt(2))^n+(2-sqrt(2))(5-sqrt(2))^n)/4.

Table of values

List of values

cp's OEIS Frontend

A161734 a(n) = ((2+sqrt(2))*(5+sqrt(2))^n+(2-sqrt(2))*(5-sqrt(2))^n)/4.

Table of values

List of values

A161734 a(n) = ((2+sqrt(2))(5+sqrt(2))^n+(2-sqrt(2))(5-sqrt(2))^n)/4.