a(n) = 3*n*2^(3*n-1).
A230539
a(n) = 3*n*2^(3*n-1).
Terms
- a(0) =0a(1) =12a(2) =192a(3) =2304a(4) =24576a(5) =245760a(6) =2359296a(7) =22020096a(8) =201326592a(9) =1811939328a(10) =16106127360a(11) =141733920768
External references
- oeis: A230539
A230539
a(n) = 3*n*2^(3*n-1).