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A051559
Decimal expansion of tan(Pi/2 degrees). (Of course, tan(Pi/2 radians) = infinity.)
5
0, 2, 7, 4, 2, 2, 4, 3, 8, 4, 8, 2, 0, 9, 7, 7, 6, 8, 5, 8, 3, 2, 8, 7, 9, 9, 1, 8, 7, 1, 1, 8, 6, 6, 0, 6, 4, 6, 6, 7, 2, 0, 7, 2, 6, 3, 1, 3, 6, 1, 4, 5, 0, 1, 5, 6, 2, 2, 9, 4, 4, 5, 5, 1, 9, 2, 9, 5, 4, 8, 0, 5, 9, 0, 0, 4, 5, 1, 9, 8, 2, 2, 8, 8, 9, 4, 6, 0, 3, 5, 2, 8, 9, 9, 9, 9, 8, 6, 6
OFFSET
0,2
EXAMPLE
0.027422438...
MAPLE
evalf(tan(Pi^2/360)) ;
MATHEMATICA
Join[{0}, RealDigits[Tan[Pi/2 Degree], 10, 120][[1]]] (* Harvey P. Dale, Sep 05 2015 *)
PROG
(PARI) tan(Pi^2/360) \\ Charles R Greathouse IV, Nov 05 2017
CROSSREFS
KEYWORD
nonn,easy,cons
STATUS
approved