id:A074901 - OEIS Search Results

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Increasingly larger bases required for composite numbers to become prime by base reversal (A075243).

+0
2

0, 2, 4, 6, 8, 9, 12, 26, 27, 34, 38, 48, 54, 60, 96, 150, 168, 180, 420, 438, 462, 468, 522, 540, 570, 828, 1320, 1782, 2130, 2142, 2280 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A075243.` `Sequence in context: A118363 A146982 A090958 this_sequence A125990 A080223 A156759` `Adjacent sequences: A074898 A074899 A074900 this_sequence A074902 A074903 A074904`
	KEYWORD	`base,hard,nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 16 2002`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research