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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
OFFSET
1,1
CROSSREFS
Sequence in context: A134966 A108419 A073037 * A156987 A101251 A132904
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, May 13 2009
STATUS
approved