a(0)=1, a(1)=5, a(n) = 10*a(n-1) - 23*a(n-2), n >= 2.

A083880

a(0)=1, a(1)=5, a(n) = 10*a(n-1) - 23*a(n-2), n >= 2.

Terms

    a(0) =1a(1) =5a(2) =27a(3) =155a(4) =929a(5) =5725a(6) =35883a(7) =227155a(8) =1446241a(9) =9237845a(10) =59114907a(11) =378678635a(12) =2427143489a(13) =15561826285a(14) =99793962603a(15) =640017621475

External references