a(0) = 1, a(1) = 7; a(n)= 6*a(n-1) + 6*a(n-2) for n>1.

A180167

a(0) = 1, a(1) = 7; a(n)= 6*a(n-1) + 6*a(n-2) for n>1.

Terms

    a(0) =1a(1) =7a(2) =48a(3) =330a(4) =2268a(5) =15588a(6) =107136a(7) =736344a(8) =5060880a(9) =34783344a(10) =239065344a(11) =1643092128a(12) =11292944832a(13) =77616221760a(14) =533454999552

External references