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A195773 Decimal expansion of arctan(6). 4
1, 4, 0, 5, 6, 4, 7, 6, 4, 9, 3, 8, 0, 2, 6, 9, 7, 8, 0, 9, 5, 2, 1, 9, 3, 4, 0, 1, 9, 9, 5, 8, 0, 7, 9, 8, 8, 1, 0, 0, 1, 9, 8, 0, 3, 9, 2, 2, 2, 5, 2, 5, 0, 9, 1, 4, 6, 9, 4, 3, 7, 8, 6, 6, 1, 4, 2, 7, 6, 2, 5, 4, 0, 9, 6, 3, 2, 9, 9, 3, 5, 7, 8, 3, 9, 1, 3, 0, 2, 7, 4, 7, 7, 2, 3, 5, 8, 4, 2, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..100.

FORMULA

From Amiram Eldar, Jun 05 2021: (Start)

Equals Pi/2 - A195774.

Equals arcsin(6/sqrt(37)) = arccos(1/sqrt(37)) = arccot(1/6). (End)

EXAMPLE

arctan(6)=1.40564764938026978095219340199580798810...

MATHEMATICA

r = 6;

N[ArcTan[r], 100]

RealDigits[%]  (* A195773 *)

N[ArcCot[r], 100]

RealDigits[%]  (* A195774 *)

N[ArcSec[r], 100]

RealDigits[%]  (* A195775 *)

N[ArcCsc[r], 100]

RealDigits[%]  (* A195776 *)

CROSSREFS

Cf. A195774, A195775, A195776.

Sequence in context: A308108 A320374 A264757 * A153018 A102913 A197509

Adjacent sequences:  A195770 A195771 A195772 * A195774 A195775 A195776

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Sep 24 2011

STATUS

approved

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Last modified December 6 20:22 EST 2021. Contains 349567 sequences. (Running on oeis4.)