OFFSET
1,1
COMMENTS
Decimal expansion of log(262537412640768744)/sqrt(163).
First differs from A000796 at a(32).
Note that 262537412640768744 = 24*10939058860032031 = 2^3 * 3 * 10939058860032031, is the nearest integer to the value of Ramanujan's constant e^(Pi*sqrt(163)) = 262537412640768743.999999999999250... = A060295.
LINKS
Eric Weisstein's World of Mathematics, Ramanujan's constant
FORMULA
k = log(round(e^(Pi*sqrt(163))))/sqrt(163).
EXAMPLE
3.14159265358979323846264338327972661934754988... (very close to Pi).
MATHEMATICA
RealDigits[Log[Round[E^(Pi Sqrt[163])]]/Sqrt[163], 10, 105][[1]] (* Bruno Berselli, Jun 26 2012 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Omar E. Pol, Jun 25 2012
EXTENSIONS
More terms from Alois P. Heinz, Jun 25 2012
STATUS
approved