OFFSET
0,1
EXAMPLE
0.70418834992331471817126200044221857803...
MATHEMATICA
RealDigits[N[Sum[1/(n^n+n), {n, 1, Infinity}], 20]][[1]]
PROG
(Python) from decimal import *; getcontext().prec=300; print sum([Decimal(1)/Decimal(n**n+n)for n in range(1, 200)])
(PARI) suminf(n=1, 1/(n^n+n)) \\ Michel Marcus, May 04 2017
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jonathan Frech, May 04 2017
STATUS
approved