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A160403 Primes starting and ending respectively with 23 and 57, and with either no space or only 0's in between. 1
2357, 23057, 2300057, 230000000057, 2300000000000000000000057, 230000000000000000000000000000000057, 2300000000000000000000000000000000057 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A134966 A108419 A073037 * A156987 A101251 A132904

Adjacent sequences:  A160400 A160401 A160402 * A160404 A160405 A160406

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), May 13 2009

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Last modified February 16 10:07 EST 2012. Contains 205904 sequences.