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A294041 a(n) = lcm(n^n, factorial(n)/factorial(floor(n/2))^2). 0
1, 1, 4, 54, 768, 18750, 233280, 16470860, 587202560, 27119434230, 630000000000, 71898540993972, 686539734515712, 279856598491241772, 4767050928164388864, 500950610595703125000, 118704798114320964648960, 10646582170477154154957990, 478255590155229414229278720 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..18.

FORMULA

a(n) = lcm(A000312(n), A056040(n)).

MAPLE

seq(ilcm(n^n, n!/iquo(n, 2)!^2), n=0..18);

CROSSREFS

Cf. A000312, A056040.

Sequence in context: A221395 A241126 A089205 * A055774 A071248 A221611

Adjacent sequences:  A294038 A294039 A294040 * A294042 A294043 A294044

KEYWORD

nonn

AUTHOR

Peter Luschny, Nov 29 2017

STATUS

approved

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Last modified October 1 10:43 EDT 2022. Contains 357147 sequences. (Running on oeis4.)