A178002 - OEIS

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A178002

Largest n-digit prime with the most digits equal to 4.

0

7, 47, 449, 4447, 44449, 444449, 7444441, 74444449, 444444443, 4444444447, 44444444441, 444444444443, 5444444444443, 84444444444449, 494444444444441, 8444444444444443, 74444444444444441, 494444444444444447

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Select first for most 4's, then take the largest.

LINKS

Table of n, a(n) for n=1..18.

CROSSREFS

Cf. A037061, A105980, A099658

Sequence in context: A368177 A218761 A173772 * A288722 A006873 A228695

Adjacent sequences: A177999 A178000 A178001 * A178003 A178004 A178005

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, May 17 2010

STATUS

approved