OFFSET
1,4
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..200
C. G. Bower, Transforms (2)
FORMULA
Shifts left under "BHK" (reversible, identity, unlabeled) transform
PROG
(PARI)
BHK(p)={p + (1/(1-p) - (1+p)/subst(1-p, x, x^2))/2}
seq(n)={my(p=O(1)); for(i=1, n, p=1+BHK(x*p)); Vec(p)} \\ Andrew Howroyd, Aug 30 2018
CROSSREFS
KEYWORD
nonn,eigen
AUTHOR
STATUS
approved