A154347 - cp's OEIS frontend

A154347 a(n) = ( (7 + 2sqrt(2))^n - (7 - 2sqrt(2))^n )/(4*sqrt(2)).

n	a(n)
1	1
2	14
3	155
4	1596
5	15989
6	158410
7	1562191
8	15375864
9	151212265
10	1486561286
11	14612155139
12	143621159220
13	1411597868381
14	13873902629314
15	136359124206775
16	1340197731092976
17	13172044142823889
18	129460511024722430

[1, 14, 155, 1596, 15989, 158410, 1562191, 15375864, 151212265, 1486561286, 14612155139, 143621159220, 1411597868381, 13873902629314, 136359124206775, 1340197731092976, 13172044142823889, 129460511024722430]

cp's OEIS Frontend

A154347 a(n) = ( (7 + 2sqrt(2))^n - (7 - 2sqrt(2))^n )/(4*sqrt(2)).

Table of values

List of values

cp's OEIS Frontend

A154347 a(n) = ( (7 + 2*sqrt(2))^n - (7 - 2*sqrt(2))^n )/(4*sqrt(2)).

Table of values

List of values

A154347 a(n) = ( (7 + 2sqrt(2))^n - (7 - 2sqrt(2))^n )/(4*sqrt(2)).