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A118477
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Number of nonassociative rings with <= n elements.
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0
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1, 3, 5, 60, 62, 66, 68, 801356, 801521, 801525, 801527, 801637, 801639, 801643, 801647
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OFFSET
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1,2
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COMMENTS
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Partial sums of A037292 Number of nonassociative rings with n elements.
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REFERENCES
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"Reviews in Ring Theory, 1980-1984", American Mathematical Society, 1986; ISBN 0-8218-0097-3.
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LINKS
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FORMULA
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EXAMPLE
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a(15) = 1 + 2 + 2 + 55 + 2 + 4 + 2 + 801288 + 165 + 4 + 2 + 110 + 2 + 4 + 4 = 801647.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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