A107686 If n=0 then 0 else smallest number greater than its predecessor and having in binary representation less zeros or more blocks of contiguous zeros.

0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 15, 16, 17, 18, 19, 20, 21, 23, 26, 27, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 47, 50, 51, 52, 53, 55, 58, 59, 63, 64, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 79, 80, 81, 82, 83, 84, 85, 87, 90, 91, 95, 98, 99, 100, 101, 103, 104, 105

Offset

0,3

Comments

A023416(a(n+1)) < A023416(a(n)) or A087116(a(n+1))>A087116(a(n));

complement of A107687; A107688(n) = a(n+1) - a(n);

A107684 is a subsequence.

Links

Table of n, a(n) for n=0..70.

Index entries for sequences related to binary expansion of n

Crossrefs

Cf. A007088.

Sequence in context: A032853 A023748 A324845 * A004743 A374744 A333764

Adjacent sequences: A107683 A107684 A107685 * A107687 A107688 A107689

Keyword

nonn

Author

Reinhard Zumkeller, May 20 2005

Status

approved