id:A013140 - OEIS Search Results

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exp(tanh(x)+arctan(x))=1+2*x+4/2!*x^2+4/3!*x^3-16/4!*x^4-88/5!*x^5...

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1, 2, 4, 4, -16, -88, 64, 2496, 4096, -106624, -480896, 6875136, 54717440, -673392640, -7775895552, 99550288896, 1454255472640, -21279326830592, -360442602684416, 6159283224084480, 116460747215831040 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A154919 A019230 A088042 this_sequence A155720 A155725 A103973` `Adjacent sequences: A013137 A013138 A013139 this_sequence A013141 A013142 A013143`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research