A112637 - OEIS

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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

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

(list; graph; refs; listen; history; text; internal format)

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