a(0) = 1; a(n) = 2*n*a(n-1) - 1 for n >= 1.
A055214
a(0) = 1; a(n) = 2*n*a(n-1) - 1 for n >= 1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =17a(4) =135a(5) =1349a(6) =16187a(7) =226617a(8) =3625871a(9) =65265677a(10) =1305313539a(11) =28716897857a(12) =689205548567
External references
- oeis: A055214