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A332634 Decimal expansion of arclength between (0,0) and (Pi/6,1) on y = tan x. 0
7, 8, 0, 1, 3, 1, 4, 2, 8, 2, 8, 0, 8, 4, 9, 3, 3, 3, 5, 5, 9, 9, 8, 1, 8, 7, 2, 2, 1, 7, 7, 3, 3, 0, 6, 3, 6, 8, 7, 5, 2, 2, 6, 5, 8, 8, 3, 5, 5, 4, 3, 4, 3, 8, 4, 0, 6, 7, 2, 2, 8, 3, 4, 5, 9, 9, 5, 8, 0, 2, 7, 7, 0, 0, 1, 1, 0, 1, 1, 2, 7, 8, 2, 5, 2, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..85.

EXAMPLE

arclength = 0.780131428280849333559981872217733063687522...

MATHEMATICA

s = Integrate[Sqrt[1 + D[Tan[x], x]^2], {x, 0, Pi/6}]

r = N[s, 200]

RealDigits[r][[1]]

CROSSREFS

Cf. A333202, A332633, A334843

Sequence in context: A155846 A221114 A198841 * A330652 A181438 A333972

Adjacent sequences:  A332631 A332632 A332633 * A332635 A332636 A332637

KEYWORD

nonn,cons,easy

AUTHOR

Clark Kimberling, Jun 15 2020

STATUS

approved

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)