The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A232182 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A232182

Decimal expansion of the arctan of Pi/2.
(history; published version)

#11 by Bruno Berselli at Thu Nov 21 09:41:52 EST 2013

STATUS

editing

approved

#10 by Bruno Berselli at Thu Nov 21 09:41:49 EST 2013

CROSSREFS

Cf. A019669, A232247.

#9 by Bruno Berselli at Thu Nov 21 09:41:25 EST 2013

COMMENTS

Equals Pi/2 A019669 - arctan(2/Pi)A232247. [Bruno Berselli, Nov 20 2013]

STATUS

approved

editing

#8 by Alois P. Heinz at Wed Nov 20 07:19:34 EST 2013

STATUS

editing

approved

#7 by Alois P. Heinz at Wed Nov 20 07:16:59 EST 2013

DATA

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

STATUS

proposed

editing

#6 by Bruno Berselli at Wed Nov 20 06:37:55 EST 2013

STATUS

editing

proposed

Discussion

Wed Nov 20

07:12

Alois P. Heinz: Next digit after "6, 5, 6, 0" is 9, so >5.  It is better not to truncate at this position.

#5 by Bruno Berselli at Wed Nov 20 06:37:40 EST 2013

COMMENTS

Equals Pi/2 - arctan(2/Pi). [Bruno Berselli, Nov 20 2013]

STATUS

proposed

editing

#4 by R. J. Mathar at Wed Nov 20 06:00:54 EST 2013

STATUS

editing

proposed

#3 by R. J. Mathar at Wed Nov 20 05:59:10 EST 2013

DATA

#2 by R. J. Mathar at Wed Nov 20 05:58:48 EST 2013

NAME

allocated for R. J. Mathar

Decimal expansion of the arctan of Pi/2.

DATA

OFFSET

1,4

EXAMPLE

Equals 1.003884821853887214148..

MAPLE

evalf(arctan(Pi/2)) ;

CROSSREFS

Cf. A019669.

KEYWORD

allocated

cons,nonn

AUTHOR

R. J. Mathar, Nov 20 2013

STATUS

approved

editing