A248681 Decimal expansion of r = Sum_{n >= 0} floor(n/4)!/floor(n/3)!.

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

Offset

2,3

Links

Clark Kimberling, Table of n, a(n) for n = 2..1001

Example

r = 10.60926929525045267494047006243557406577308155150...

Mathematica

x = N[Sum[Floor[n/4]!/Floor[n/3]!, {n, 0, 400}], 120]
RealDigits[x][[1]]

Prog

(PARI) suminf(n=0, (n\4)!/(n\3)!) \\ Michel Marcus, Oct 17 2014

Crossrefs

Cf. A248679, A248680.

Sequence in context: A022903 A331239 A324008 * A232815 A323606 A133077

Adjacent sequences: A248678 A248679 A248680 * A248682 A248683 A248684

Keyword

nonn,easy,cons

Author

Clark Kimberling, Oct 11 2014

Status

approved