A137248 - OEIS

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A137248

The smallest prime with digit sum n and maximum digit product (or 0 if no such prime exists).

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: A341713 A077248 A282342 * A355438 A358427 A136260

Adjacent sequences: A137245 A137246 A137247 * A137249 A137250 A137251

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Mar 10 2008

STATUS

approved

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