A132909
Numbers formed by concatenating 9 consecutive prime numbers.
Original entry on oeis.org
23571113171923, 357111317192329, 5711131719232931, 71113171923293137, 111317192329313741, 131719232931374143, 171923293137414347, 192329313741434753, 232931374143475359, 293137414347535961
Offset: 1
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FromDigits[Flatten[IntegerDigits/@#]]&/@Partition[Prime[Range[ 20]], 9, 1] (* Harvey P. Dale, Jul 18 2011 *)
A132910
Numbers formed by concatenating 10 consecutive prime numbers.
Original entry on oeis.org
2357111317192329, 35711131719232931, 571113171923293137, 7111317192329313741, 11131719232931374143, 13171923293137414347, 17192329313741434753, 19232931374143475359, 23293137414347535961
Offset: 1
A152521
Juxtaposition of prime(2n-1) and prime(2n) is a prime.
Original entry on oeis.org
23, 3137, 8389, 157163, 167173, 233239, 257263, 331337, 353359, 467479, 509521, 523541, 653659, 661673, 677683, 727733, 11871193, 12011213, 12591277, 13671373, 14531459, 16691693, 17091721, 17411747, 21792203, 22072213, 22812287
Offset: 1
Herman Jamke (hermanjamke(AT)fastmail.fm), Dec 06 2008
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forstep(n=1,1000,2,a=eval(Str(prime(n),prime(n+1)));if(isprime(a),print1(a", ")))
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