A134729 Concatenation of next n Sophie Germain primes A005384(n).

2, 35, 112329, 41538389, 113131173179191, 233239251281293359, 419431443491509593641, 653659683719743761809911, 95310131019103110491103122312291289, 1409143914511481149915111559158316011733, 18111889190119311973200320392063206921292141

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 * A342674 A309209 A094716

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