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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
OFFSET
1,2
COMMENTS
If it exists, a(4) > 10^18. - Bert Dobbelaere, Apr 17 2020
LINKS
Eric Weisstein's World of Mathematics, Centered Triangular Number
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Ilya Gutkovskiy, Apr 13 2020
STATUS
approved