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A262344
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Centered 11-gonal (or hendecagonal) primes.
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1
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67, 397, 727, 859, 1321, 2311, 3037, 3301, 4159, 8581, 10891, 12409, 19471, 28909, 47059, 51217, 63559, 64747, 78541, 79861, 95107, 100981, 108571, 119659, 134707, 139921, 156157, 177211, 195427, 203809, 221101, 257797, 264991, 284659, 287167, 294757, 307627, 315481
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OFFSET
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1,1
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COMMENTS
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Primes of the form (11*k^2 - 11*k + 2)/2.
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LINKS
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MAPLE
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select(isprime, [(11*k^2-11*k+2)/2$k=1..300])[]; # Alois P. Heinz, May 27 2022
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PROG
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(PARI) for(n=1, 1e3, if(isprime(k=(11*n^2-11*n+2)/2), print1(k, ", "))) \\ Altug Alkan, Nov 26 2015
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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