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
1.3737387097273111393808320132488363588759362995854...
MATHEMATICA
First[RealDigits[Cot[Pi/9]/2, 10, 100]]
CROSSREFS
KEYWORD
AUTHOR
Paolo Xausa, Aug 01 2024
STATUS
approved