login
A285063
Denominators of the exponential expansion of (4/(log(1+x)))*(1 - 1/(1+x)^(1/4)).
2
1, 8, 48, 256, 3840, 6144, 86016, 393216, 2949120, 2621440, 34603008, 50331648, 22900899840, 2013265920, 12079595520, 17179869184, 3285649981440, 309237645312, 27419071217664, 23089744183296
OFFSET
0,2
COMMENTS
For the numerators see A285062, also for the rationals r(n) = A285062(n)/a(n), the z-sequence of the Sheffer triangle S2[4,1].
FORMULA
E.g.f. for sequence {r(n) = A285062(n)/a(n)}: (4/(log(1+x)))*(1 - 1/(1+x)^(1/4)).
EXAMPLE
See A285062.
CROSSREFS
Sequence in context: A292536 A242668 A002697 * A026761 A026706 A128734
KEYWORD
nonn,frac,easy
AUTHOR
Wolfdieter Lang, Apr 13 2017
STATUS
approved