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A073140
Sum of the largest and smallest number having in binary representation the same number of 0's and 1's as n.
4
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).
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jul 16 2002
STATUS
approved