Denominator of second moment of the n-th term of Ulam's "history-dependent random sequence".
A329496
Denominator of second moment of the n-th term of Ulam's "history-dependent random sequence".
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =8a(5) =60a(6) =240a(7) =2520a(8) =40320a(9) =181440a(10) =725760a(11) =266112a(12) =95800320a(13) =17791488a(14) =1585059840a(15) =130767436800
External references
- oeis: A329496