A027505 - OEIS

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A027505

Second diagonal of A027497.

15, 609, 1920, 392486, 113377876875, 155741745023280000, 6605216052044829651068, 62870654640959433925847207524, 21721105002949781819252278922169473422080 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	FORMULA	`Numerators of sequence a[ n, n-1 ] in (a[ i, j ])^4 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i`
	CROSSREFS	`Sequence in context: A001236 A183546 A179895 * A012210 A203172 A081022` `Adjacent sequences: A027502 A027503 A027504 * A027506 A027507 A027508`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com)`

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Last modified February 15 08:15 EST 2012. Contains 205725 sequences.