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A137248 The smallest prime with digit sum n and maximum digit product (or 0 if no such prime exists). 4
2, 3, 13, 23, 0, 43, 233, 0, 433, 2333, 0, 3343, 23333, 0, 33343, 323333, 0, 333433, 3233333, 0, 3333433, 32333333, 0, 34333333, 333233333, 0, 333334333, 3233333333, 0, 3334333333, 23333333333, 0, 33333333343, 333332333333, 0, 333333343333 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Conjecture: If n > 4 and a(n) > 0, then a(n) consists only of the digits 2, 3 and 4. - Chai Wah Wu, Dec 17 2015

LINKS

Chai Wah Wu, Table of n, a(n) for n = 2..2001

CROSSREFS

Cf. A083178.

Sequence in context: A138699 A077248 A282342 * A136260 A296932 A288054

Adjacent sequences:  A137245 A137246 A137247 * A137249 A137250 A137251

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Mar 10 2008

STATUS

approved

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Last modified January 27 04:57 EST 2020. Contains 331291 sequences. (Running on oeis4.)