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A332506
Decimal expansion of the number snc(2 Pi), where snc is the sine-normal-to-cosine function; see A332500.
3
5, 5, 4, 4, 1, 0, 0, 1, 7, 3, 9, 6, 4, 4, 2, 5, 8, 3, 5, 2, 6, 9, 9, 7, 4, 6, 7, 8, 8, 8, 5, 1, 3, 2, 3, 6, 4, 3, 8, 0, 9, 2, 7, 0, 3, 9, 8, 4, 9, 4, 5, 4, 1, 7, 6, 9, 8, 4, 2, 0, 8, 5, 4, 8, 8, 4, 2, 3, 4, 8, 1, 5, 7, 6, 8, 8, 8, 7, 0, 4, 0, 2, 6, 5, 6, 6
OFFSET
1,1
FORMULA
snc(2 Pi) = 2 Pi + snc(0), where snc(0) = Dottie number (A003957).
EXAMPLE
snc(2 Pi) = 5.544100173964425835269974678885...
MATHEMATICA
u = u /. FindRoot[ u + Cos[u] == 2 Pi, {u, 0}, WorkingPrecision -> 150]
RealDigits[u][[1]]
CROSSREFS
Cf. A332500, A003957, A332523 (numerators of convergents), A332524 (denominators of convergents).
Sequence in context: A193721 A377202 A019927 * A019805 A201290 A374149
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, May 05 2020
STATUS
approved