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A329236 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. 0
1, 64, 1789760 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

If it exists, a(4) > 10^18. - Bert Dobbelaere, Apr 17 2020

LINKS

Table of n, a(n) for n=1..3.

Eric Weisstein's World of Mathematics, Centered Triangular Number

CROSSREFS

Cf. A005448, A054859, A068314, A298467, A322610, A334007.

Sequence in context: A350558 A160864 A017190 * A013847 A017298 A204044

Adjacent sequences:  A329233 A329234 A329235 * A329237 A329238 A329239

KEYWORD

nonn,hard,more

AUTHOR

Ilya Gutkovskiy, Apr 13 2020

STATUS

approved

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Last modified May 24 00:10 EDT 2022. Contains 353993 sequences. (Running on oeis4.)