A263540 Values of k in A263539.
1, 1, 1, 1, 1, 17, 25, 37, 265, 5, 93, 2395, 1443, 3935, 2757, 5865
Offset: 1
Programs
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PARI
terms=12; p=1; for(n=1, terms, q=p+2; while(!ispseudoprime(q), q+=2*p); print1((q-2)/p, ", "); p*=q)
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