A386440 Decimal expansion of Sum_{k>=1} 1/(8k)!.

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

Offset

0,5

Links

Jason Bard, Table of n, a(n) for n = 0..1003

Michael I. Shamos, A catalog of the real numbers, (2007). See p. 21. (Erroneously misses a leading zero)

Example

0.00002480158734938207491278717784706929523828059685156788...

Mathematica

RealDigits[-1 + HypergeometricPFQ[{}, Range[1, 7]/8, 2^-24], 10, 100][[1]]

Crossrefs

Cf. A091131, A195070.

Sequence in context: A186036 A186040 A388357 * A119927 A212003 A096255

Adjacent sequences: A386437 A386438 A386439 * A386441 A386442 A386443

Keyword

nonn,cons

Author

Jason Bard, Aug 25 2025

Status

approved