References to A177516

Numbers n=p*q such that p and q are primes and (p-1)divides (q-1)
15, 21, 33, 39, 51, 57, 65, 69, 85, 87, 91, 93, 111, 123, 129, 133, 141, 145, 159, 177


4 seqfan posts

Sun May 16 17:09:31 CEST 2010    [seqfan] Re: Primes embedded
Fri May 14 14:29:43 CEST 2010    [seqfan] Re: Duplicates? A177729 A177517 A177516
Fri May 14 13:30:09 CEST 2010    [seqfan] Re: Duplicates? A177729 A177517 A177516
Fri May 14 12:40:31 CEST 2010    [seqfan] Duplicates? A177729 A177517 A177516

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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