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A358059
a(n) is the index of the smallest n-gonal pyramidal number divisible by exactly n n-gonal pyramidal numbers.
0
6, 7, 20, 79, 90, 203, 972, 3135, 374, 283815, 31824, 2232, 10240, 144584, 70784
OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Pyramidal Number
CROSSREFS
Cf. A358860.
Sequence in context: A287913 A078980 A041076 * A041771 A042757 A257312
KEYWORD
nonn,more
AUTHOR
Ilya Gutkovskiy, Dec 12 2022
STATUS
approved