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A013437 sec(arcsin(x)-arctanh(x))=1+10/6!*x^6+840/8!*x^8+87750/10!*x^10... 0
1, 0, 0, 10, 840, 87750, 12402500, 2338055850, 572148486000, 177069963820750, 67752690483757500, 31441329951467231250, 17409362545770168545000, 11342985795968641587093750, 8592815549188913685325312500 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

CROSSREFS

Sequence in context: A013438 A013434 A013436 * A006714 A203533 A015033

Adjacent sequences:  A013434 A013435 A013436 * A013438 A013439 A013440

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 23:44 EST 2012. Contains 205689 sequences.