A162557 - cp's OEIS frontend

A162557 a(n) = ((3+sqrt(3))(4+sqrt(3))^n+(3-sqrt(3))(4-sqrt(3))^n)/6.

n	a(n)
0	1
1	5
2	27
3	151
4	857
5	4893
6	28003
7	160415
8	919281
9	5268853
10	30200171
11	173106279
12	992248009
13	5687602445
14	32601595443
15	186873931759
16	1071170713313
17	6140004593637
18	35194817476027
19	201738480090935
20	1156375213539129
21	6628401467130877
22	37994333961038339
23	217785452615605311

[1, 5, 27, 151, 857, 4893, 28003, 160415, 919281, 5268853, 30200171, 173106279, 992248009, 5687602445, 32601595443, 186873931759, 1071170713313, 6140004593637, 35194817476027, 201738480090935, 1156375213539129, 6628401467130877, 37994333961038339, 217785452615605311]

cp's OEIS Frontend

A162557 a(n) = ((3+sqrt(3))(4+sqrt(3))^n+(3-sqrt(3))(4-sqrt(3))^n)/6.

Table of values

List of values

cp's OEIS Frontend

A162557 a(n) = ((3+sqrt(3))*(4+sqrt(3))^n+(3-sqrt(3))*(4-sqrt(3))^n)/6.

Table of values

List of values

A162557 a(n) = ((3+sqrt(3))(4+sqrt(3))^n+(3-sqrt(3))(4-sqrt(3))^n)/6.