OFFSET
1,4
LINKS
FORMULA
Shifts left under "BFK" (reversible, size, unlabeled) transform.
PROG
(PARI)
BFK(v)={apply(p->subst(serlaplace(y^0*p + polcoeff(p, 1)), y, 1)/2, Vec(-1+prod(k=1, #v, 1 + v[k]*x^k*y + O(x*x^#v)), -#v))}
seq(n)={my(v=[1]); for(i=2, n, v=concat([1], BFK(v))); v} \\ Andrew Howroyd, Sep 20 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved