A002549 Numerators of coefficients of log(1+x)/sqrt(1+x). (Formerly M5128 N2223)

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

Offset

1,3

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

Table of n, a(n) for n=1..21.

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]

Prog

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

Crossrefs

Cf. A002550, A002428.

Sequence in context: A294087 A323137 A083154 * A166526 A070838 A199713

Adjacent sequences: A002546 A002547 A002548 * A002550 A002551 A002552

Keyword

nonn,frac

Author

N. J. A. Sloane

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

Status

approved