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A048540 Smallest pronic number containing exactly n 5's. 1
56, 552, 5550, 5055752, 5255556, 552555542, 2555555256, 551555015556, 5555555065506, 515605555595550, 5558455555057550, 495553555055055552, 555055556595557556 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..13.

Eric Weisstein's World of Mathematics, Pronic Number

CROSSREFS

Cf. A048539, A002378.

Sequence in context: A220930 A220209 A276565 * A189497 A219712 A244429

Adjacent sequences:  A048537 A048538 A048539 * A048541 A048542 A048543

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, May 15 1999.

STATUS

approved

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Last modified September 20 01:58 EDT 2019. Contains 327207 sequences. (Running on oeis4.)