OFFSET
0,1
FORMULA
(This constant) - (constant in A371498) = 2.00000551146384...
EXAMPLE
2.04166942239863686002905586072...
MATHEMATICA
s[x_] := s[x] = Sum[x^n/((n^2)!), {n, 0, Infinity}]
First[RealDigits[N[s[1], 100]]]
PROG
(PARI) suminf(k=0, 1/(k^2)!) \\ Hugo Pfoertner, Mar 30 2024
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Mar 30 2024
STATUS
approved