a(n) = 6*a(n-1) - a(n-2) + 4 with n > 1, a(0)=0, a(1)=4.
A182190
a(n) = 6*a(n-1) - a(n-2) + 4 with n > 1, a(0)=0, a(1)=4.
Terms
- a(0) =0a(1) =4a(2) =28a(3) =168a(4) =984a(5) =5740a(6) =33460a(7) =195024a(8) =1136688a(9) =6625108a(10) =38613964a(11) =225058680a(12) =1311738120a(13) =7645370044a(14) =44560482148a(15) =259717522848
External references
- oeis: A182190