A112637 a(n) = b(n)*lcm{1,2,..,n}^3 where b(n) is a sequence of rationals arising in irrationality proof of zeta(3).

0, 6, 702, 375186, 68548170, 212649972618, 5572180693170, 52037240544974502, 11661547289636534670, 9015983814263107529634, 262721633707681615189866, 10335648343425700490571339750, 309124221331162265697856664958

Offset

0,2

Comments

Always an integer (divisible by 6).

Links

Table of n, a(n) for n=0..12.

Formula

a(n) = (A059415(n)/A059416(n))*A003418(n)^3.

Crossrefs

Cf. A003418, A005259, A059415, A059416.

Sequence in context: A364688 A343140 A116298 * A289366 A253120 A354250

Adjacent sequences: A112634 A112635 A112636 * A112638 A112639 A112640

Keyword

nonn

Author

Benoit Cloitre, Dec 27 2005

Status

approved