A248759 - OEIS

A248759

Decimal expansion of sum_{n>=1} n!/(3n)!.

1, 6, 9, 4, 6, 1, 0, 2, 9, 0, 3, 2, 0, 7, 4, 1, 2, 8, 6, 4, 6, 9, 2, 6, 7, 0, 5, 2, 9, 8, 9, 9, 6, 3, 3, 3, 1, 6, 9, 7, 1, 2, 4, 2, 9, 9, 3, 7, 7, 4, 0, 8, 0, 0, 4, 2, 0, 5, 5, 4, 0, 2, 5, 1, 0, 0, 6, 3, 6, 1, 1, 8, 6, 6, 1, 1, 6, 0, 3, 2, 1, 4, 0, 2, 9, 9

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..85.

EXAMPLE

0.1694610290320741286469267052989963331697124299377408004205540251006361...

MAPLE

evalf(sum(n!/(3*n)!, n=1..infinity), 120) # Vaclav Kotesovec, Oct 15 2014

MATHEMATICA

u = N[Sum[n!/(3 n)!, {n, 1, 200}], 120]

RealDigits[u] (* A248759 *)