OFFSET
0,2
COMMENTS
See Nørlund for precise definition.
See A002657 which is the main entry for this sequence. - Peter Luschny, Oct 02 2016
REFERENCES
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
LINKS
N. E. Nørlund, Vorlesungen über Differenzenrechnung, Springer, 1924, p. 461.
MAPLE
# Function B(n, x) defined in A213449.
A213446 := n -> numer(B(2*n, 2*n)):
seq(A213446(n), n=0..14); # Peter Luschny, Oct 02 2016
MATHEMATICA
a[n_] := Numerator[NorlundB[2n, 2n]];
Table[a[n], {n, 0, 14}] (* Jean-François Alcover, Jun 29 2019 *)
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Jun 12 2012
EXTENSIONS
More terms at the suggestion of Altug Alkan from Peter Luschny, Oct 02 2016
STATUS
approved