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A108832
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Primes such that the outer 2 digits are n and n-1 and all inner digits are 3, where 0 < n < 9.
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0
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OFFSET
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1,1
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COMMENTS
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This sequence has only 4 and 3 as the outer digits since all other combinations are divisible by 2,3 or 5. This fact makes the sequence coincide with A093673 except for the first term.
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LINKS
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PROG
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(PARI) n10np1(n, d) = { local(x, y, k); for(x=1, n, for(k=1, 8, y=10^(x+1)*k+floor(10^x*d/9)*10+k-1; if(isprime(y), print1(y", ")) ) ) }
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CROSSREFS
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KEYWORD
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easy,nonn,base
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AUTHOR
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STATUS
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approved
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