id:A085386 - OEIS Search Results

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Expansion of cosh(x+x^2/2).

+0
2

1, 0, 1, 3, 4, 10, 46, 126, 316, 1296, 5356, 17380, 63856, 296088, 1264264, 4940040, 22302736, 110455936, 507711376, 2313783216, 11798364736, 61878663840, 309240315616, 1587272962528, 8792390355904, 48793502304000 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(n)=(A000085(n)+A001464(n))/2`
	CROSSREFS	`Cf. A085387.` `Sequence in context: A109887 A103038 A014009 this_sequence A133760 A056045 A096223` `Adjacent sequences: A085383 A085384 A085385 this_sequence A085387 A085388 A085389`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jun 27 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research