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A068162
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Smallest prime beginning and ending in at least n 7's.
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1
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7, 77377, 7772777, 777767777, 77777677777, 7777774777777, 777777727777777, 77777777677777777, 77777777704777777777, 777777777727777777777, 77777777777677777777777, 7777777777772777777777777, 777777777777757777777777777
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(2) = 77377 is a prime that starts with 77 and ends in 77 (two 7's).
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 07 2003
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STATUS
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approved
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