A198822 - OEIS

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A198822

Decimal expansion of x > 0 satisfying x^2 - 2*cos(x) = 2.

1, 4, 7, 8, 1, 7, 0, 2, 6, 6, 4, 3, 0, 3, 2, 1, 2, 8, 3, 3, 1, 0, 6, 2, 4, 1, 7, 5, 3, 4, 7, 7, 4, 6, 8, 0, 8, 0, 2, 6, 8, 2, 3, 5, 1, 7, 8, 0, 1, 5, 1, 4, 9, 2, 9, 9, 3, 1, 3, 6, 1, 2, 7, 1, 5, 4, 6, 5, 6, 9, 3, 0, 9, 7, 6, 7, 0, 9, 5, 1, 8, 9, 1, 9, 8, 7, 5, 2, 2, 1, 3, 8, 6, 3, 5, 3, 3, 0, 6

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=1..99.

FORMULA

Equals 2*A003957. - Gleb Koloskov, Jun 16 2021

EXAMPLE

x=1.47817026643032128331062417534774680802682351780...

MATHEMATICA