The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A012373 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A012373

sec(tan(x)*sin(x))=1+12/4!*x^4+120/6!*x^6+12432/8!*x^8...
(history; published version)

#4 by Charles R Greathouse IV at Fri Feb 24 12:50:48 EST 2012

AUTHOR

Patrick Demichel (dmlpatrick.demichel(AT)hpfrcu03.france.hp.com)

Discussion

Fri Feb 24

12:50

OEIS Server: https://oeis.org/edit/global/108

#3 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

KEYWORD

nonn,new

nonn

AUTHOR

Patrick Demichel (dml@(AT)hpfrcu03.france.hp.com)

#2 by N. J. A. Sloane at Sun Jun 14 03:00:00 EDT 1998

REFERENCES

KEYWORD

nonn,new

nonn

#1 by N. J. A. Sloane at Wed Dec 11 03:00:00 EST 1996

NAME

sec(tan(x)*sin(x))=1+12/4!*x^4+120/6!*x^6+12432/8!*x^8...

DATA

1, 0, 12, 120, 12432, 680640, 102772032, 14295765120, 3342487648512, 854980598876160, 298224965387983872, 119257847834622351360, 59074248780911484506112, 33687669462151354934968320

OFFSET

0,3

REFERENCES

KEYWORD

nonn

AUTHOR

Patrick Demichel (dml@hpfrcu03.france.hp.com)

STATUS

approved