Sum of all possible sums formed from all but one of the previous terms, starting 1.

A094304

Sum of all possible sums formed from all but one of the previous terms, starting 1.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =4a(4) =18a(5) =96a(6) =600a(7) =4320a(8) =35280a(9) =322560a(10) =3265920a(11) =36288000a(12) =439084800a(13) =5748019200a(14) =80951270400

External references