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A110949
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Integers n such that 4*10^n+61 is prime.
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OFFSET
| 1,1
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COMMENTS
| See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable/proven prime - search on "40061".
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LINKS
| Makoto Kamada, List of near-repdigit-related prime numbers.
Index entries for primes involving repunits.
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EXAMPLE
| n = 7 is a member because: 4*10^7+61 = 4*10000000+61 = 40000000+61 = 40000061, which is prime.
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CROSSREFS
| Cf. A049054, A088274, A088275, A095688, A107083, A108049, A108050, A108052, A108054.
Sequence in context: A069885 A069748 A064441 * A126343 A174539 A049409
Adjacent sequences: A110946 A110947 A110948 * A110950 A110951 A110952
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KEYWORD
| more,nonn
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AUTHOR
| Julien Peter Benney (jpbenney(AT)ftml.net), Oct 04 2005
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EXTENSIONS
| a(8)-a(10) from Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 23 2010
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