A216176 Inner product of the Zeckendorf binary representation of n and its reverse.

1, 0, 0, 2, 0, 2, 0, 0, 2, 0, 1, 3, 0, 2, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 2, 1, 3, 1, 0, 2, 0, 2, 4, 0, 2, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 2, 0, 2, 0, 2, 4, 0, 2, 0, 0, 2, 0, 0, 2, 0, 2, 0, 1, 3, 1, 1, 3, 0, 2, 0, 0, 2, 2, 4, 2, 0, 2, 0, 2, 4, 0, 2, 0, 1, 3, 1

Offset

1,4

Comments

a(n) = sum (A189920(n,k) * A213676(n,k): k = 1..A072649(n));

a(A027941(n)) = n.

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
a216176 n = sum $ zipWith (*) zs $ reverse zs
   where zs = a189920_row n

Crossrefs

Cf. A159780.

Sequence in context: A366533 A340683 A221645 * A359007 A128765 A193511

Adjacent sequences: A216173 A216174 A216175 * A216177 A216178 A216179

Keyword

nonn

Author

Reinhard Zumkeller, Mar 10 2013

Status

approved