A358058 a(n) is the index of the smallest n-gonal number divisible by exactly n n-gonal numbers.

3, 6, 12, 48, 51, 330, 1100, 702, 8120, 980, 5499, 110880, 10472, 2688, 2127411, 517104, 710640, 396480, 2761803, 4254120, 13347975, 707000, 3655827

Offset

3,1

Links

Table of n, a(n) for n=3..25.

Eric Weisstein's World of Mathematics, Polygonal Number

Crossrefs

Cf. A358859.

Sequence in context: A208131 A136121 A023369 * A129380 A085866 A282231

Adjacent sequences: A358055 A358056 A358057 * A358059 A358060 A358061

Keyword

nonn,more

Author

Ilya Gutkovskiy, Dec 12 2022

Status

approved