OFFSET
1,2
LINKS
Paolo Xausa, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Regular Polygon.
Wikipedia, Apothem.
FORMULA
EXAMPLE
1.702843619444625004524065173324424415978649993...
MATHEMATICA
First[RealDigits[Cot[Pi/11]/2, 10, 100]]
CROSSREFS
KEYWORD
AUTHOR
Paolo Xausa, Aug 04 2024
STATUS
approved