Multiply by 1, add 1, multiply by 2, add 2, etc., starting with 0.

A082458

Multiply by 1, add 1, multiply by 2, add 2, etc., starting with 0.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =2a(4) =4a(5) =12a(6) =15a(7) =60a(8) =64a(9) =320a(10) =325a(11) =1950a(12) =1956a(13) =13692a(14) =13699a(15) =109592a(16) =109600a(17) =986400a(18) =986409a(19) =9864090a(20) =9864100a(21) =108505100a(22) =108505111a(23) =1302061332a(24) =1302061344a(25) =16926797472a(26) =16926797485a(27) =236975164790a(28) =236975164804

External references