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Search: id:A157935
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| A157935 |
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Primes of the form m^2+1 such that m^2-7 = prevprime(m^2) (= A007917(m^2)). |
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+0
2
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| 2917, 4357, 8101, 24337, 57601, 72901, 93637, 224677, 324901, 331777, 404497, 562501, 608401, 1166401, 1742401, 1822501, 4137157, 4639717, 5788837, 7290001, 7617601, 10265617, 10497601, 10929637, 12110401, 12362257, 14107537, 14243077
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OFFSET
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1,1
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COMMENT
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A subsequence of A005574. The values for m are listed in A157934, the next lower prime in A157183.
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FORMULA
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a(n) = A157934(n)^2+1 = A157183(n)+8
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PROGRAM
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(PARI) forstep(m=2, 9999, 2, isprime(m^2+1) & precprime(m^2)==m^2-7 & print1(m^2+1, ", "))
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CROSSREFS
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Cf. A157183, A028883, A028882, A005574, A001912, A157934.
Sequence in context: A153412 A157183 A054829 this_sequence A081634 A031642 A054830
Adjacent sequences: A157932 A157933 A157934 this_sequence A157936 A157937 A157938
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KEYWORD
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nonn
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AUTHOR
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M. F. Hasler (MHasler(AT)univ-ag.fr), Mar 18 2009
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