A127480 A131702 and A014320 interleaved.

0, 2, 1, 4, 4, 6, 14, 8, 5, 14, 3, 10, 11, 12, 52, 18, 54, 20, 34, 22, 27, 34, 45, 24, 18, 16, 84, 26, 61, 28, 160, 30, 147, 32, 444, 36, 647, 44, 47, 42, 311, 40, 33, 52, 851, 48, 224, 38, 82, 72, 41, 50, 216, 62, 148, 54, 728, 60, 89, 58

Offset: 1

Author

Giovanni Teofilatto, Sep 12 2007

Keywords

• nonn
• less

Formula

a(2n)= A014320(n+1). a(2n-1) = A131702(n).

Extensions

Formulas added, sequence extended, arbitrarily defined first term replaced - R. J. Mathar, Aug 23 2010