id:A164020 - OEIS Search Results

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Denominators of Bernoulli numbers interleaved with even numbers.

+0
3

1, 2, 6, 4, 30, 6, 42, 8, 30, 10, 66, 12, 2730, 14, 6, 16, 510, 18, 798, 20, 330, 22, 138, 24, 2730, 26, 6, 28, 870, 30, 14322, 32, 510, 34, 6, 36, 1919190, 38, 6, 40, 13530, 42, 1806, 44, 690, 46, 282, 48, 46410, 50, 66, 52, 1590, 54, 798, 56, 870, 58, 354, 60, 56786730 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(2n)= A002445(n). a(2n+1)=2*(n+1).`
	CROSSREFS	`Cf. A027642, A141056, A160014.` `Sequence in context: A038212 A039656 A006233 this_sequence A057643 A073039 A064538` `Adjacent sequences: A164017 A164018 A164019 this_sequence A164021 A164022 A164023`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Aug 08 2009`
	EXTENSIONS	`Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 23 2009`

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.

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