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 A222480 Decimal expansion of cos(1)/(1+cos(1)). 3
 3, 5, 0, 7, 7, 6, 7, 9, 4, 7, 9, 5, 2, 3, 7, 5, 8, 1, 5, 5, 8, 1, 1, 6, 7, 5, 0, 5, 7, 2, 8, 2, 0, 1, 7, 1, 1, 0, 3, 8, 5, 7, 2, 3, 8, 9, 2, 2, 5, 4, 9, 7, 9, 7, 6, 4, 3, 9, 9, 4, 8, 4, 2, 1, 4, 8, 4, 7, 2, 6, 5, 0, 7, 8, 7, 0, 9, 7, 9, 0, 9, 0, 8, 9, 3, 4, 4, 0, 1, 1, 0, 7, 4, 1, 8, 8, 7, 3, 1, 1, 5, 0, 8, 1, 2, 7, 9, 2, 4, 2, 2, 5, 0, 1, 4, 1, 6, 3, 2, 8, 6, 2 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS By the Lindemann-Weierstrass theorem, this constant is transcendental. - Charles R Greathouse IV, May 13 2019 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..10000 Index entries for transcendental numbers FORMULA cos(1)/(1+cos(1)) = 1/(1+1/cos(1)) = 1/(1+sec(1)). EXAMPLE 0.35077679479523758155811675... MAPLE s:= convert(evalf(1/(1+1/cos(1)), 140), string): seq(parse(s[n+2]), n=0..122); PROG (PARI) 1/(1+1/cos(1)) \\ Charles R Greathouse IV, May 13 2019 CROSSREFS Cf. A222481 (continued fraction), A222482 (Engel expansion), A049470 (cos(1)), A073448 (1/cos(1)). Sequence in context: A348723 A245673 A021885 * A229984 A346234 A346479 Adjacent sequences: A222477 A222478 A222479 * A222481 A222482 A222483 KEYWORD nonn,cons AUTHOR Alois P. Heinz, Feb 21 2013 STATUS approved

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Last modified June 20 11:12 EDT 2024. Contains 373527 sequences. (Running on oeis4.)