First line of 5-wave sequence A038201, also bisection of A006358.

A038261

First line of 5-wave sequence A038201, also bisection of A006358.

Terms

    a(0) =1a(1) =5a(2) =55a(3) =671a(4) =8272a(5) =102091a(6) =1260143a(7) =15554592a(8) =191998646a(9) =2369942427a(10) =29253473175a(11) =361091343583

External references