a(n) = max_{k=0..n} 2^k*A048993(n,k).

Terms

a(0) =1a(1) =2a(2) =4a(3) =12a(4) =48a(5) =200a(6) =1040a(7) =5600a(8) =33600a(9) =222432a(10) =1460928a(11) =11487168a(12) =84713728a(13) =731574272a(14) =6314147840a(15) =55456727040a(16) =548291597568