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A329236
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a(n) is the least integer that can be expressed as the sum of one or more consecutive centered triangular numbers in exactly n ways.
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0
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OFFSET
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1,2
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COMMENTS
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If it exists, a(4) > 10^18. - Bert Dobbelaere, Apr 17 2020
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LINKS
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Table of n, a(n) for n=1..3.
Eric Weisstein's World of Mathematics, Centered Triangular Number
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CROSSREFS
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Cf. A005448, A054859, A068314, A298467, A322610, A334007.
Sequence in context: A350558 A160864 A017190 * A013847 A017298 A204044
Adjacent sequences: A329233 A329234 A329235 * A329237 A329238 A329239
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KEYWORD
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nonn,hard,more
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AUTHOR
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Ilya Gutkovskiy, Apr 13 2020
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STATUS
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approved
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