A026346 a(n) = a(m) if a(m) has already occurred exactly once and n = a(m)+[ 3m/2 ], else a(n) = least positive integer that has not yet occurred.

1, 1, 2, 3, 4, 2, 5, 6, 3, 7, 4, 8, 9, 10, 5, 11, 12, 6, 13, 14, 15, 7, 16, 17, 18, 8, 19, 9, 20, 21, 10, 22, 23, 24, 11, 25, 12, 26, 27, 28, 13, 29, 30, 14, 31, 15, 32, 33, 34, 16, 35, 36, 17, 37, 18, 38, 39, 40, 19, 41, 42, 43, 20, 44, 45, 21, 46

Offset

1,3

Links

Table of n, a(n) for n=1..67.

Crossrefs

Sequence in context: A243849 A286547 A157000 * A340791 A369422 A361020

Adjacent sequences: A026343 A026344 A026345 * A026347 A026348 A026349

Keyword

nonn

Author

Clark Kimberling

Status

approved