A109912(n+1)/A109912(n).

Terms

a(0) =2a(1) =2a(2) =2a(3) =2a(4) =2a(5) =2a(6) =2a(7) =27a(8) =37a(9) =52a(10) =152a(11) =46162a(12) =28143a(13) =720882657693a(14) =193346248