A006695 - cp's OEIS frontend

A006695 a(2n)=2a(2n-2)^2-1, a(2n+1)=2a(2n)-1, a(0)=2.

n	a(n)
0	2
1	3
2	7
3	13
4	97
5	193
6	18817
7	37633
8	708158977
9	1416317953
10	1002978273411373057
11	2005956546822746113
12	2011930833870518011412817828051050497
13	4023861667741036022825635656102100993

[2, 3, 7, 13, 97, 193, 18817, 37633, 708158977, 1416317953, 1002978273411373057, 2005956546822746113, 2011930833870518011412817828051050497, 4023861667741036022825635656102100993]

cp's OEIS Frontend

A006695 a(2n)=2a(2n-2)^2-1, a(2n+1)=2a(2n)-1, a(0)=2.

Table of values

List of values

cp's OEIS Frontend

A006695 a(2n)=2*a(2n-2)^2-1, a(2n+1)=2*a(2n)-1, a(0)=2.

Table of values

List of values

A006695 a(2n)=2a(2n-2)^2-1, a(2n+1)=2a(2n)-1, a(0)=2.