A074774 a(n) = A005148(n)/8^(b(n)-1) where b(n) denotes the number of 1's in the binary representation of n.

1, 47, 311, 138799, 997057, 58404025, 433380445, 1662803271215, 12555303421685, 762968405786159, 5823841814857247, 2856558096376330937, 21966969165793217071, 1355329065202645937843, 10478887384420274295559

Offset: 1

Author

Benoit Cloitre, Sep 29 2002

Keywords

• nonn

Comments

Appears to always be an integer. 8^(b(n)-1) seems also to be the highest power of 2 dividing A005148(n)