A027509 - OEIS

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A027509

Third column of A027495.

2, 48, 1479, 1635807, 2749126434, 2061668165820, 27000403702103927, 3601167630198173688855, 6920681213556240162865580, 2513639364690506572320983634986622, 34070976661893791443981684233248021868739, 1233585523562342700479004045135835217677228305 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`3,1`
	LINKS	`Table of n, a(n) for n=3..14.`
	FORMULA	`Numerators of sequence a[ 3, n ] in (a[ i, j ])^2 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i.`
	CROSSREFS	`Sequence in context: A135394 A010046 A013517 * A186284 A119695 A119698` `Adjacent sequences: A027506 A027507 A027508 * A027510 A027511 A027512`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gérard`
	EXTENSIONS	`More terms from Sean A. Irvine, Nov 06 2019`
	STATUS	`approved`

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Last modified March 3 04:22 EST 2021. Contains 341756 sequences. (Running on oeis4.)