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

Author

Reinhard Zumkeller, Mar 10 2013

Keywords

• nonn

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

Crossrefs

Cf. A159780.

Programs

Haskell

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