id:A077157 - OEIS Search Results

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a(0) = 1, followed by next n composite numbers followed by next n primes.

+0
2

1, 4, 2, 6, 8, 3, 5, 9, 10, 12, 7, 11, 13, 14, 15, 16, 18, 17, 19, 23, 29, 20, 21, 22, 24, 25, 31, 37, 41, 43, 47, 26, 27, 28, 30, 32, 33, 53, 59, 61, 67, 71, 73, 34, 35, 36, 38, 39, 40, 42 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`A permutation of the natural numbers.`
	CROSSREFS	`Cf. A077156.` `Sequence in context: A083412 A086399 A105365 this_sequence A114478 A134239 A136390` `Adjacent sequences: A077154 A077155 A077156 this_sequence A077158 A077159 A077160`
	KEYWORD	`easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 31 2002`

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.

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