id:A128275 - OEIS Search Results

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Absolute values of numerators of series expansion of sinh(x)/sqrt((cosh(x))^2+(sinh(x))^2) about 0.

+0
1

1, 5, 121, 1369, 698161, 22394737, 25947503401, 29819441791, 3389281372287841, 354891998735343073 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`Series[Sinh[x]/(Sqrt[Cosh[x]^2 + Sinh[x]^2]), {x, 0, 20}]`
	CROSSREFS	`Cf. A012085, A012193, A128274.` `Sequence in context: A099123 A097993 A054752 this_sequence A028448 A108791 A012179` `Adjacent sequences: A128272 A128273 A128274 this_sequence A128276 A128277 A128278`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Feb 22 2007`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.