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A007418
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Numerators of expansion of exp x / sin x.
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4
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1, 2, 1, 13, 1, 19, 13, 29, 17, 13, 97, 254983, 1247, 2593, 4937, 137561, 6673, 65082637, 1058467, 7254146201, 1380290071, 390121079, 3216636877, 1870450393439, 536799743, 109336409527, 8113510922983
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OFFSET
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0,2
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LINKS
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MAPLE
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c:= proc(m) option remember;
1/(m+1)! - add((-1)^i/(2*i+1)!*c(m-2*i), i=1..floor((m+1)/2))
end proc;
c(-1):= 1;
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn,frac
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AUTHOR
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STATUS
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approved
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