A215945 - cp's OEIS frontend

A215945 a(n) = - 3^nA(2n+1), where A(n) = 3*A(n-1) + A(n-2) - A(n-3)/3, with A(0)=A(1)=3, A(2)=11.

n	a(n)
0	-3
1	-105
2	-3387
3	-108945
4	-3504051
5	-112702329
6	-3624894315
7	-116589061665
8	-3749904995427
9	-120609834867081
10	-3879226882922139
11	-124769271310005681
12	-4013008656895890963
13	-129072153032843014809
14	-4151404124161560449739

[-3, -105, -3387, -108945, -3504051, -112702329, -3624894315, -116589061665, -3749904995427, -120609834867081, -3879226882922139, -124769271310005681, -4013008656895890963, -129072153032843014809, -4151404124161560449739]

cp's OEIS Frontend

A215945 a(n) = - 3^nA(2n+1), where A(n) = 3*A(n-1) + A(n-2) - A(n-3)/3, with A(0)=A(1)=3, A(2)=11.

Table of values

List of values

cp's OEIS Frontend

A215945 a(n) = - 3^n*A(2*n+1), where A(n) = 3*A(n-1) + A(n-2) - A(n-3)/3, with A(0)=A(1)=3, A(2)=11.

Table of values

List of values

A215945 a(n) = - 3^nA(2n+1), where A(n) = 3*A(n-1) + A(n-2) - A(n-3)/3, with A(0)=A(1)=3, A(2)=11.