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A098095 Primes of the form p^2 + pq + q. +0
1
13, 17, 19, 29, 37, 43, 53, 61, 67, 73, 89, 97, 101, 103, 127, 137, 139, 157, 163, 173, 181, 197, 199, 211, 223, 233, 239, 241, 271, 277, 281, 283, 293, 307, 313, 331, 349, 379, 397, 401, 421, 457, 461, 463, 487, 491, 499, 521, 523, 541, 547, 557, 577, 601 (list; graph; listen)
OFFSET

1,1

PROGRAM

(PARI) {z=605; v=[]; p=2; while(p^2+p*2+2<z, q=2; while((n=p^2+p*q+q)<z, if(isprime(n), v=concat(v, n)); q=nextprime(q+1)); p=nextprime(p+1)); v=vecsort(v); m=0; for(j=1, length(v), if(m<v[j], m=v[j]; print1(m, ", ")))} - Klaus Brockhaus, Sep 15 2004

CROSSREFS

Sequence in context: A105878 A054476 A099184 this_sequence A059500 A104213 A105896

Adjacent sequences: A098092 A098093 A098094 this_sequence A098096 A098097 A098098

KEYWORD

nonn,easy

AUTHOR

Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Sep 14 2004

EXTENSIONS

Corrected and extended by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 15 2004

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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