A002550 Denominators of coefficients of log(1+x)/sqrt(1+x).

1, 1, 24, 12, 640, 1920, 107520, 1792, 2064384, 10321920, 43253760, 64880640, 5398069248, 4198498304, 503819796480, 62977474560, 16610786017280, 4271344975872, 649244436332544, 41618233098240, 27967452642017280

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• frac

References

• N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..200
• W. G. Bickley and J. C. P. Miller, Numerical differentiation near the limits of a difference table, Phil. Mag., 33 (1942), 1-12 (plus tables).
• W. G. Bickley and J. C. P. Miller, Numerical differentiation near the limits of a difference table, Phil. Mag., 33 (1942), 1-12 (plus tables). [Annotated scanned copy]

Crossrefs

Cf. A002549.

Programs

Mathematica

Denominator[CoefficientList[Series[Log[1 + x]/Sqrt[1 + x]/x, {x, 0, 40}], x]] (* Vincenzo Librandi, Mar 25 2014 *)

Extensions

More terms from Benoit Cloitre, Mar 29 2002