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A077158 Prime(1) composite numbers, followed by composite(1) prime numbers, prime(2) composite numbers, followed by composite(2) prime numbers, ... 0
4, 6, 2, 3, 5, 7, 8, 9, 10, 11, 13, 17, 19, 23, 29, 12, 14, 15, 16, 18, 31, 37, 41, 43, 47, 53, 59, 61, 20, 21, 22, 24, 25, 26, 27, 67, 71, 73, 79, 83, 89, 97, 101, 103, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 44, 45, 46, 48 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A154892 A195860 A106143 * A059854 A155991 A184083

Adjacent sequences:  A077155 A077156 A077157 * A077159 A077160 A077161

KEYWORD

easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 31 2002

EXTENSIONS

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 23 2003

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Last modified February 14 15:19 EST 2012. Contains 205623 sequences.