a(n) = 8*a(n-1) - 14*a(n-2) for n > 1; a(0) = 1, a(1) = 7.
A164072
a(n) = 8*a(n-1) - 14*a(n-2) for n > 1; a(0) = 1, a(1) = 7.
Terms
- a(0) =1a(1) =7a(2) =42a(3) =238a(4) =1316a(5) =7196a(6) =39144a(7) =212408a(8) =1151248a(9) =6236272a(10) =33772704a(11) =182873824a(12) =990172736a(13) =5361148352a(14) =29026768512a(15) =157158071168a(16) =850889810176
External references
- oeis: A164072