A163604 - cp's OEIS frontend

A163604 a(n) = ((3+2sqrt(2))(4+sqrt(2))^n + (3-2sqrt(2))(4-sqrt(2))^n)/2.

n	a(n)
0	3
1	16
2	86
3	464
4	2508
5	13568
6	73432
7	397504
8	2151984
9	11650816
10	63078752
11	341518592
12	1849046208
13	10011109376
14	54202228096
15	293462293504
16	1588867154688
17	8602465128448
18	46575580861952
19	252170135097344
20	1365302948711424
21	7392041698328576
22	40022092304668672

[3, 16, 86, 464, 2508, 13568, 73432, 397504, 2151984, 11650816, 63078752, 341518592, 1849046208, 10011109376, 54202228096, 293462293504, 1588867154688, 8602465128448, 46575580861952, 252170135097344, 1365302948711424, 7392041698328576, 40022092304668672]

cp's OEIS Frontend

A163604 a(n) = ((3+2sqrt(2))(4+sqrt(2))^n + (3-2sqrt(2))(4-sqrt(2))^n)/2.

Table of values

List of values

cp's OEIS Frontend

A163604 a(n) = ((3+2*sqrt(2))*(4+sqrt(2))^n + (3-2*sqrt(2))*(4-sqrt(2))^n)/2.

Table of values

List of values

A163604 a(n) = ((3+2sqrt(2))(4+sqrt(2))^n + (3-2sqrt(2))(4-sqrt(2))^n)/2.