A287013 Decimal expansion of Sum_{n>=0} 1/A000178(n).

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

Offset: 1

Author

Miguel Alejandro Moreno Barrientos, May 18 2017

Keywords

• nonn
• cons

Examples

			2.58683453093647190149884744169194347173357090127887794475148...
		

Links

• Patrick C. Schneider, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A000178, A137987.

Programs

Mathematica

NSum[1/BarnesG[n], {n, 2, Infinity}, WorkingPrecision -> 115] // RealDigits // First (* Jean-François Alcover, Oct 27 2020 *)

PARI

suminf(n=0, 1/prod(k=2, n, k!)) \\ Michel Marcus, Aug 01 2017

Formula

Equals 1/A137987. - Amiram Eldar, Nov 19 2020

Extensions

More terms from Michel Marcus, Aug 01 2017