A359094 - OEIS

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A359094

a(n) is the smallest square pyramidal number divisible by exactly n square pyramidal numbers.

1, 5, 30, 140, 4900, 155155, 6930, 223300, 3573570, 380380, 340889640, 1801800, 333833500, 711410700, 78963134250, 427826509110, 70836325560, 862289508080, 62366724420, 3975527876320, 2279301054030, 3422848288860, 58264695188700, 4903512426212400

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..24.

Eric Weisstein's World of Mathematics, Square Pyramidal Number

Index entries for sequences related to divisors of numbers

EXAMPLE

a(5) = 4900, because 4900 is a square pyramidal number that has 5 square pyramidal divisors {1, 5, 14, 140, 4900} and this is the smallest such number.

CROSSREFS

Cf. A000330, A005179, A130279, A358543, A359095.

Sequence in context: A282078 A080951 A375253 * A255052 A282086 A180285

Adjacent sequences: A359091 A359092 A359093 * A359095 A359096 A359097

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Dec 16 2022

EXTENSIONS

a(11)-a(24) from Jon E. Schoenfield, Dec 17 2022

STATUS

approved