A382590 - cp's OEIS frontend

A382590 a(n) = a(n-1)b(n-2) + a(n-2)b(n-1) and b(n) = a(n-1)b(n-2) - a(n-2)b(n-1) starting with a(0) = b(0) = b(1) = 1 and a(1) = 2.

n	a(n)
0	1
1	2
2	3
3	5
4	8
5	18
6	20
7	896
8	27072
9	32814080
10	-149545811968
11	160091119521808515072
12	738655358988798463192241725767680
13	12485440430502138868848264866306550045930296006672384
14	-147240441301035233185124372803468937068922727279777614523229030890174062704096331169792

[1, 2, 3, 5, 8, 18, 20, 896, 27072, 32814080, -149545811968, 160091119521808515072, 738655358988798463192241725767680, 12485440430502138868848264866306550045930296006672384, -147240441301035233185124372803468937068922727279777614523229030890174062704096331169792]

cp's OEIS Frontend

A382590 a(n) = a(n-1)b(n-2) + a(n-2)b(n-1) and b(n) = a(n-1)b(n-2) - a(n-2)b(n-1) starting with a(0) = b(0) = b(1) = 1 and a(1) = 2.

Table of values

List of values

cp's OEIS Frontend

A382590 a(n) = a(n-1)*b(n-2) + a(n-2)*b(n-1) and b(n) = a(n-1)*b(n-2) - a(n-2)*b(n-1) starting with a(0) = b(0) = b(1) = 1 and a(1) = 2.

Table of values

List of values

A382590 a(n) = a(n-1)b(n-2) + a(n-2)b(n-1) and b(n) = a(n-1)b(n-2) - a(n-2)b(n-1) starting with a(0) = b(0) = b(1) = 1 and a(1) = 2.