Multiply a(n) by the first digit of a(n+1) to get a(n+2). The sequence starts with a(1) = 1 and a(2) = 2.

A300759

Multiply a(n) by the first digit of a(n+1) to get a(n+2). The sequence starts with a(1) = 1 and a(2) = 2.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =4a(4) =8a(5) =32a(6) =24a(7) =64a(8) =144a(9) =64a(10) =864a(11) =512a(12) =4320a(13) =2048a(14) =8640a(15) =16384a(16) =8640a(17) =131072a(18) =8640a(19) =1048576a(20) =8640a(21) =8388608a(22) =69120a(23) =50331648a(24) =345600a(25) =150994944a(26) =345600a(27) =452984832a(28) =1382400a(29) =452984832

External references