A147863 Decimal expansion of smallest positive solution to x^3 = tan x.
4, 7, 0, 2, 7, 7, 4, 5, 3, 7, 0, 5, 7, 4, 1, 3, 6, 2, 5, 4, 3, 3, 7, 9, 0, 8, 1, 1, 0, 4, 8, 9, 2, 6, 6, 9, 6, 8, 5, 6, 9, 7, 8, 6, 1, 6, 7, 5, 3, 4, 5, 7, 4, 0, 6, 9, 3, 7, 8, 0, 5, 2, 8, 8, 9, 7, 7, 4, 7, 1, 2, 5, 9, 7, 3, 1, 1, 6, 6, 8, 6, 5, 0, 0, 2, 0, 3, 9, 0, 2, 2, 8, 1, 7, 3, 7, 5, 7, 8, 4
Offset: 1
Examples
4.70277453705741362543379081104892669685697861675345...
Programs
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Mathematica
RealDigits[x /. FindRoot[Tan[x] == x^3, {x, 4.7}, WorkingPrecision -> 120], 10, 100][[1]] (* Amiram Eldar, Jun 09 2021 *)