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A176874
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Minimal nonnegative integer that cannot be represented as the sum of an m-gonal and a k-gonal number for any k,m less than n.
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5
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0, 5, 23, 62, 62, 723, 1578, 1578, 8139, 39644, 94323, 94323, 1317783, 1680515, 2025699, 3205598, 23003999, 113333163, 170717819, 1710518799, 3608109348, 16655876439, 24090452279
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OFFSET
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3,2
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COMMENTS
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Indices of records in A176873 (with repetitions).
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LINKS
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Table of n, a(n) for n=3..25.
Max Alekseyev, Proof that the sequence is infinite. [Sequence Fans mailing list, Apr 26 2010.]
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FORMULA
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a(n) = smallest integer s such that A176873(s)>=n.
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CROSSREFS
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Cf. A176873, A176774.
Sequence in context: A098498 A159241 A179094 * A241765 A106956 A084671
Adjacent sequences: A176871 A176872 A176873 * A176875 A176876 A176877
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KEYWORD
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hard,more,nonn
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AUTHOR
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Vladimir Shevelev and Max Alekseyev, Apr 27 2010
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EXTENSIONS
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Edited by N. J. A. Sloane, Apr 29 2010
a(19) - a(22) from Jon E. Schoenfield, Aug 08 2010
a(23)-a(25) from Donovan Johnson, Jan 24 2011
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STATUS
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approved
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