OFFSET
1,1
LINKS
Clark Kimberling, Table of n, a(n) for n = 1..1000
EXAMPLE
r = 6.207248052675586205425008556077037816805318220...
MATHEMATICA
x = N[Sum[Floor[n/3]!/Floor[n/2]!, {n, 0, 400}], 120]
RealDigits[x][[1]] (* A248680 *)
PROG
(PARI) suminf(n=0, (n\3)!/(n\2)!) \\ Michel Marcus, Oct 17 2014
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Oct 11 2014
STATUS
approved