A162274 - cp's OEIS frontend

A162274 a(n) = ((2+sqrt(3))(4+sqrt(3))^n + (2-sqrt(3))(4-sqrt(3))^n)/2.

n	a(n)
0	2
1	11
2	62
3	353
4	2018
5	11555
6	66206
7	379433
8	2174786
9	12465659
10	71453054
11	409570865
12	2347677218
13	13456996499
14	77136168158
15	442148390777
16	2534416940162
17	14527406441195
18	83271831307454
19	477318366724097

[2, 11, 62, 353, 2018, 11555, 66206, 379433, 2174786, 12465659, 71453054, 409570865, 2347677218, 13456996499, 77136168158, 442148390777, 2534416940162, 14527406441195, 83271831307454, 477318366724097]

cp's OEIS Frontend

A162274 a(n) = ((2+sqrt(3))(4+sqrt(3))^n + (2-sqrt(3))(4-sqrt(3))^n)/2.

Table of values

List of values

cp's OEIS Frontend

A162274 a(n) = ((2+sqrt(3))*(4+sqrt(3))^n + (2-sqrt(3))*(4-sqrt(3))^n)/2.

Table of values

List of values

A162274 a(n) = ((2+sqrt(3))(4+sqrt(3))^n + (2-sqrt(3))(4-sqrt(3))^n)/2.