A110497 a(1) = 1; a(m) = maximum denominator possible with a continued fraction [b(1);b(2),b(3),...b(m-1)], where (b(1),b(2),b(3),...b(m-1)) is a permutation of (a(1),a(2),a(3),...a(m-1)).

1, 1, 1, 2, 5, 28, 795, 632167, 399635138154, 159708243647367169100509, 25506723088926795724936617220833650734525459594, 650592922735191299575059973922272937442761432150679274453311138653498403940208837571053997389