a(n) = denominator of r(n): r(n) is such that the continued fraction (of rational terms) [r(1);r(2),...r(n)] equals n! for every positive integer n.

A128524

a(n) = denominator of r(n): r(n) is such that the continued fraction (of rational terms) [r(1);r(2),...r(n)] equals n! for every positive integer n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =9a(4) =128a(5) =675a(6) =2048a(7) =3675a(8) =262144a(9) =3472875a(10) =8388608a(11) =151278435a(12) =268435456a(13) =6249480237a(14) =4294967296a(15) =124351902675

External references