id:A059408 - OEIS Search Results

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a(n+1) = a(n)-th composite and a(1) = 13.

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13, 22, 34, 50, 70, 95, 126, 165, 213, 272, 341, 424, 524, 640, 778, 938, 1127, 1345, 1596, 1886, 2217, 2596, 3031, 3523, 4086, 4724, 5445, 6259, 7176, 8205, 9364, 10666, 12118, 13744, 15560, 17583, 19827, 22328, 25099, 28171, 31569, 35334 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`g[ n_Integer ] := (k = n + PrimePi[ n ] + 1; While[ k - PrimePi[ k ] - 1, k++ ]; k); NestList[ g, 13, 45 ]`
	CROSSREFS	`Cf. A006508.` `Adjacent sequences: A059405 A059406 A059407 this_sequence A059409 A059410 A059411` `Sequence in context: A056523 A122559 A132131 this_sequence A164455 A164504 A164413`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 29 2001`

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.

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