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A097144
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Primes not appearing in A097143.
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1
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3, 5, 17, 59, 73, 79, 97, 103, 107, 113, 131, 139, 149, 151, 157, 163, 167, 179, 181, 199, 211, 223, 229, 281, 283, 307, 311, 331, 337, 359, 367, 373, 379, 397, 461, 467, 487, 491, 503, 509, 523, 541, 547, 563, 569, 571, 577, 587, 599, 607, 631, 643, 647, 659
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OFFSET
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1,1
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COMMENTS
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a(10^n): 3,113,1193,18143,228961,2765969,32509913,.., .
Conjecture: Lim_n->Inf a(n)/A097143(n) = 1 <==> a(P_2n).
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LINKS
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MATHEMATICA
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a[1] = 2; a[n_] := a[n] = Block[{k = PrimePi[ a[n - 1]] + 1}, While[JacobiSymbol[n, Prime[k]] != 1, k++ ]; Prime[k]]; Complement[ Prime[ Range[ PrimePi[1229]]], Table[ a[n], {n, 100}]]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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