A002549 Numerators of coefficients of log(1+x)/sqrt(1+x).

1, 1, 23, 11, 563, 1627, 88069, 1423, 1593269, 7759469, 31730711, 46522243, 3788707301, 2888008157, 340028535787, 41743955887, 10823198495797, 2738032559863, 409741429887649, 25876414060339, 17141894231615609

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

• 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. A002550, A002428.

Programs

PARI

x='x+O('x^66); abs(apply(t->numerator(t),Vec(log(1+x)/sqrt(1+x)))) \\ Joerg Arndt, Apr 18 2014

Extensions

More terms from Benoit Cloitre, Mar 29 2002

a(15) corrected by Sean A. Irvine, Mar 24 2014

a(18) corrected by Sean A. Irvine, Apr 17 2014