A073140 Sum of the largest and smallest number having in binary representation the same number of 0's and 1's as n.

0, 2, 4, 6, 8, 11, 11, 14, 16, 21, 21, 25, 21, 25, 25, 30, 32, 41, 41, 47, 41, 47, 47, 53, 41, 47, 47, 53, 47, 53, 53, 62, 64, 81, 81, 91, 81, 91, 91, 99, 81, 91, 91, 99, 91, 99, 99, 109, 81, 91, 91, 99, 91, 99, 99, 109, 91, 99, 99, 109, 99, 109, 109, 126, 128, 161, 161, 179

Offset

0,2

Comments

a(n) = A073137(n) + A073138(n).

Links

Table of n, a(n) for n=0..67.

Index entries for sequences related to binary expansion of n

Crossrefs

Cf. A007088, A073139, A073141.

Sequence in context: A195874 A195873 A337854 * A256342 A171820 A193879

Adjacent sequences: A073137 A073138 A073139 * A073141 A073142 A073143

Keyword

nonn

Author

Reinhard Zumkeller, Jul 16 2002

Status

approved