a(n) = 2*a(n-1) + 16*a(n-2) + 16*a(n-3) for n>3 with a(1)=1, a(2)=14, a(3)=60.
A140184
a(n) = 2*a(n-1) + 16*a(n-2) + 16*a(n-3) for n>3 with a(1)=1, a(2)=14, a(3)=60.
Terms
- a(0) =1a(1) =14a(2) =60a(3) =360a(4) =1904a(5) =10528a(6) =57280a(7) =313472a(8) =1711872a(9) =9355776a(10) =51117056a(11) =279316480a(12) =1526198272a(13) =8339333120a(14) =45566902272a(15) =248982306816
External references
- oeis: A140184