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A047257 Numbers that are congruent to {4, 5} mod 6. +0
1
4, 5, 10, 11, 16, 17, 22, 23, 28, 29, 34, 35, 40, 41, 46, 47, 52, 53, 58, 59, 64, 65, 70, 71, 76, 77, 82, 83, 88, 89, 94, 95, 100, 101, 106, 107, 112, 113, 118, 119, 124, 125, 130, 131, 136, 137, 142, 143, 148, 149 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n) = 4 + 6*floor(n/2) + n%2.

CROSSREFS

Sequence in context: A102857 A102856 A037353 this_sequence A050039 A058335 A094415

Adjacent sequences: A047254 A047255 A047256 this_sequence A047258 A047259 A047260

KEYWORD

nonn

AUTHOR

njas

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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