OFFSET
0,2
MAPLE
A131267 := proc(n) option remember ; local a, i ; if n <=0 then RETURN(1) ; else a :=0 ; for i from 0 to n do a := a+ A131267( min(i, n-i))*A131267(n-i-1) ; od: RETURN(a) ; fi ; end: seq(A131267(n), n=0..30) ; # R. J. Mathar, Oct 25 2007
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Curtz, Sep 28 2007
EXTENSIONS
More terms from R. J. Mathar, Oct 25 2007
STATUS
approved