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A358321
a(n) is the index of the smallest n-gonal number with exactly n distinct prime factors.
1
11, 210, 87, 228, 1155, 7854, 66612, 395646, 2193303, 8389010, 122574155, 630341910, 6066475415
OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Distinct Prime Factors
Eric Weisstein's World of Mathematics, Polygonal Number
CROSSREFS
Sequence in context: A131216 A034909 A081788 * A060496 A280072 A157691
KEYWORD
nonn,more
AUTHOR
Ilya Gutkovskiy, Dec 12 2022
STATUS
approved