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A086158
Concatenation of the smaller members of first n pairs of twin primes.
2
3, 5, 35, 3511, 351117, 35111729, 3511172941, 351117294159, 35111729415971, 35111729415971101, 35111729415971101107, 35111729415971101107137, 35111729415971101107137149, 35111729415971101107137149179
OFFSET
2,1
PROG
(PARI) concattwprl(n) = { y=3; print1(3", "5", "); forprime(x=5, n, if(isprime(x+2), y=eval(concat(Str(y), Str(x))); print1(y", ") ) ) }
CROSSREFS
Sequence in context: A325582 A145640 A222496 * A158878 A337858 A337859
KEYWORD
nonn,base
AUTHOR
Cino Hilliard, Sep 08 2003
STATUS
approved