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A023629
a(n) = c([ n/2 ]) + n, with a(1) = 1, c = complement to a.
1
1, 4, 5, 7, 8, 12, 13, 17, 18, 20, 21, 23, 24, 28, 29, 31, 32, 34, 35, 39, 40, 44, 45, 49, 50, 52, 53, 55, 56, 60, 61, 65, 66, 70, 71, 73, 74, 76, 77, 81, 82, 84, 85, 87, 88, 92, 93, 95, 96, 98, 99, 103, 104, 108, 109, 113, 114, 116, 117, 119, 120, 124, 125, 127
OFFSET
1,2
CROSSREFS
Sequence in context: A081452 A047492 A240161 * A331840 A353438 A033164
KEYWORD
nonn
STATUS
approved