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A065533
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a(n) is smallest prime > 10*a(n-1), a(1) = 3.
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1
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3, 31, 311, 3119, 31193, 311951, 3119533, 31195343, 311953441, 3119534441, 31195344413, 311953444133, 3119534441393, 31195344413953, 311953444139539, 3119534441395579, 31195344413955853, 311953444139558593
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,100
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MATHEMATICA
| NextPrim[n_Integer] := Block[ {k = n + 1}, While[ !PrimeQ[k], k++ ]; Return[k]]; a[1] = 3; a[n_] := NextPrim[ 10*a[n - 1]]; Table[ a[n], {n, 1, 20} ]
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PROG
| (PARI) { for (n=1, 100, if (n>1, a=nextprime(10*a), a=3); write("b065533.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 21 2009]
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CROSSREFS
| Cf. A065122.
Sequence in context: A037666 A065837 A100894 * A048550 A108430 A113075
Adjacent sequences: A065530 A065531 A065532 * A065534 A065535 A065536
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KEYWORD
| nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 28 2001
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