A130409 - OEIS

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A130409

Denominators of a-sequence for Sheffer matrix A130191 (Stirling2 squared).

1, 1, 3, 4, 15, 3, 84, 3, 5, 20, 33, 6, 5460, 210, 12, 48, 255, 45, 1596, 105, 2310, 1320, 138, 36, 9100, 546, 756, 112, 435, 30, 114576, 42, 58905, 140, 105, 18, 767676, 3458, 16380, 1680, 15785, 385, 132440, 990, 434700, 38640, 3948, 360, 3248700, 99450 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`The numerators are found in A130408.` `See the W. Lang link in A130408.`
	FORMULA	`a(n)=denominator(r(n)),n>=0, with the rational r(n) sequence with e.g.f. x/ln(1+ln(1+x)).`
	CROSSREFS	`Sequence in context: A117718 A176857 A086826 * A157351 A071167 A194924` `Adjacent sequences: A130406 A130407 A130408 * A130410 A130411 A130412`
	KEYWORD	`nonn,frac,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Jun 01 2007`

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Last modified February 16 11:43 EST 2012. Contains 205907 sequences.