OFFSET
0,2
LINKS
EXAMPLE
0.084402564328834096538007975397197389657026164577256529914943228...
PROG
(PARI) sqrt(Pi)/21 \\ Michel Marcus, Aug 25 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
EXTENSIONS
a(0) = 0 prepended by Georg Fischer, Aug 25 2022
STATUS
approved