A069662 - OEIS

A069662

Largest n-digit prime with maximum digit sum.

7, 89, 997, 8999, 99989, 989999, 9899999, 99999989, 998999999, 9999898999, 99989999999, 999999999989, 9999999999799, 99999999899999, 999999999999989, 9999999999989999, 99999999999899999, 999999999999999989, 9998999999999999999, 99999999999999999989

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..20.

CROSSREFS

Cf. A069661, A020472 (primes with digits 8 and 9 only), A003618 (largest n-digit prime).

Sequence in context: A089771 A249448 A069661 * A359646 A371386 A295543

Adjacent sequences: A069659 A069660 A069661 * A069663 A069664 A069665

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Apr 05 2002

EXTENSIONS

More terms from Rick L. Shepherd, Jul 15 2002. a(5) through a(20) have been certified prime with Primo.

STATUS

approved