id:A069662 - OEIS Search Results

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Largest n-digit prime with maximum digit sum.

+0
12

7, 89, 997, 8999, 99989, 989999, 9899999, 99999989, 998999999, 9999898999, 99989999999, 999999999989, 9999999999799, 99999999899999, 999999999999989, 9999999999989999, 99999999999899999, 999999999999999989, 9998999999999999999, 99999999999999999989 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A069661, A020472 (primes with digits 8 and 9 only), A003618 (largest n-digit prime).` `Sequence in context: A107109 A089771 A069661 this_sequence A062747 A099719 A103064` `Adjacent sequences: A069659 A069660 A069661 this_sequence A069663 A069664 A069665`
	KEYWORD	`nonn,base`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 05 2002`
	EXTENSIONS	`More terms from Rick L. Shepherd (rshepherd2(AT)hotmail.com), Jul 15 2002. a(5) through a(20) have been certified prime with Primo.`

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Last modified September 4 21:24 EDT 2008. Contains 143414 sequences.

AT&T Labs Research