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A134729 Concatenation of next n Sophie Germain primes A005384(n). 0
2, 35, 112329, 41538389, 113131173179191, 233239251281293359, 419431443491509593641, 653659683719743761809911, 95310131019103110491103122312291289, 1409143914511481149915111559158316011733, 18111889190119311973200320392063206921292141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

MATHEMATICA

With[{sgp=Select[Prime[Range[500]], PrimeQ[2#+1]&]}, Table[ FromDigits[ Flatten[IntegerDigits/@Take[sgp, {(n(n+1))/2+1, ((n+1)(n+2))/2}]]], {n, 0, 11}]] (* Harvey P. Dale, Mar 24 2013 *)

CROSSREFS

Cf. A005384, A053067, A133013, A133014.

Sequence in context: A292702 A133013 A032369 * A309209 A094716 A094725

Adjacent sequences:  A134726 A134727 A134728 * A134730 A134731 A134732

KEYWORD

base,easy,nonn

AUTHOR

Omar E. Pol, Nov 10 2007

EXTENSIONS

More terms from Harvey P. Dale, Mar 24 2013

STATUS

approved

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Last modified October 20 17:50 EDT 2019. Contains 328268 sequences. (Running on oeis4.)