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A075065 a(1) = 1 and then alternately even and odd composite numbers matching the parity of the index. 1
1, 4, 9, 6, 15, 8, 21, 10, 25, 12, 27, 14, 33, 16, 35, 18, 39, 20, 45, 22, 49, 24, 51, 26, 55, 28, 57, 30, 63, 32, 65, 34, 69, 36, 75, 38, 77, 40, 81, 42, 85, 44, 87, 46, 91, 48, 93, 50, 95, 52, 99, 54 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A075066.

Sequence in context: A089390 A053667 A171095 * A141553 A095065 A061207

Adjacent sequences:  A075062 A075063 A075064 * A075066 A075067 A075068

KEYWORD

easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 08 2002

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Last modified February 17 14:19 EST 2012. Contains 206038 sequences.