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A036341 Concatenation of prime p and nextprime(p) is prime -> cycles of 4 steps possible. +0
3
127787377, 1510818931, 3147482977, 3307903909, 3621408103 (list; graph; listen)
OFFSET

0,1

COMMENT

All numbers found by Jo Yeong Uk (hyukjo(AT)sigma.chungnam.ac.kr).

LINKS

C. Rivera, Details of procedure

CROSSREFS

Cf. A030459, A036339, A036340.

Sequence in context: A068249 A162450 A115301 this_sequence A059092 A147715 A011577

Adjacent sequences: A036338 A036339 A036340 this_sequence A036342 A036343 A036344

KEYWORD

nonn,base,more

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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