A025557 - OEIS

A025557

a(n) = (n+1)!/LCM{1,3,6,...,C(n+1,2)}.

2, 2, 4, 4, 24, 24, 96, 288, 2880, 2880, 34560, 34560, 483840, 7257600, 58060800, 58060800, 1045094400, 1045094400, 20901888000, 438939648000, 9656672256000, 9656672256000, 231760134144000, 1158800670720000, 30128817438720000, 271159356948480000

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OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..534

Index entries for sequences related to lcm's

MATHEMATICA

Table[(n+1)!/LCM@@Accumulate[Range[n]], {n, 30}] (* Harvey P. Dale, May 09 2024 *)

CROSSREFS

Sequence in context: A110428 A076928 A286737 * A285909 A322253 A059372

Adjacent sequences: A025554 A025555 A025556 * A025558 A025559 A025560

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Sep 06 2019

STATUS

approved