OFFSET
1,2
COMMENTS
These numbers are quadratic fields of extensions of polynomials of odd degree obtained by taken 2n-1 terms of expansion of e^x in power series at 0. All these polynomials have Galois group S(2n-1) over rationals.
FORMULA
MAPLE
MATHEMATICA
aa = {}; data = Table[kk = Sqrt[(n!)^(n - 2)], {n, 1, 100, 2}]; sp = data /. Sqrt[_] -> 1; sfp = data/sp; sfp^2
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Oct 25 2011
STATUS
approved