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A184391 a(n) = product of numbers from 1 to A007955(n). 5
1, 2, 6, 40320, 120, 371993326789901217467999448150835200000000, 5040, 126886932185884164103433389335161480802865516174545192198801894375214704230400000000000000, 10888869450418352160768000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Robert P. P. McKone, Table of n, a(n) for n = 1..11

FORMULA

a(n) = A007955(n)! = A000142(A007955(n)).

MATHEMATICA

A184391[n_] := Product[i, {i, 1, n^(DivisorSigma[0, n]/2)}]; Table[A184391[n], {n, 1, 9}] (* Robert P. P. McKone, Feb 04 2021 *)

CROSSREFS

Cf. A184387, A184388, A184389, A184390, A130674.

Sequence in context: A115658 A337096 A005607 * A161563 A135408 A165710

Adjacent sequences:  A184388 A184389 A184390 * A184392 A184393 A184394

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Jan 12 2011

EXTENSIONS

a(9) from Robert P. P. McKone, Feb 04 2021

STATUS

approved

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Last modified October 22 18:45 EDT 2021. Contains 348175 sequences. (Running on oeis4.)