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A076498
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Class number h(p) of real quadratic field Q(sqrt(p)) where p is n-th prime == 1 mod 4.
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1
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
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OFFSET
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1,22
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REFERENCES
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H. Williams and H. te Riele, New computations concerning the Cohen-Lenstar heuristics, Experiment. Math. 12 (2003), no. 1, 99-113.
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LINKS
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EXAMPLE
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h(p) = 1 for p < 229, h(229) = h(257) = h(733) = h(761) = 3, h(401)=5 and h(577)=7, ...
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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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