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 A359094 a(n) is the smallest square pyramidal number divisible by exactly n square pyramidal numbers. 1
 1, 5, 30, 140, 4900, 155155, 6930, 223300, 3573570, 380380, 340889640, 1801800, 333833500, 711410700, 78963134250, 427826509110, 70836325560, 862289508080, 62366724420, 3975527876320, 2279301054030, 3422848288860, 58264695188700, 4903512426212400 (list; graph; refs; listen; history; text; internal format)
 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

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Last modified September 19 12:50 EDT 2024. Contains 376012 sequences. (Running on oeis4.)