A240534 a(n) = denominators of n!/10^n.

1, 10, 50, 500, 1250, 2500, 12500, 125000, 156250, 1562500, 1562500, 15625000, 39062500, 390625000, 1953125000, 3906250000, 2441406250, 24414062500, 122070312500, 1220703125000, 610351562500, 6103515625000, 30517578125000

Offset: 0

Author

Vincenzo Librandi, Apr 14 2014

Keywords

• nonn
• frac

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..200

Crossrefs

Cf. A000142, A011557, A014973, A074143, A092043, A208529.

Programs

Magma

[Denominator(Factorial(n)/10^n): n in [0..30]];

Mathematica

Table[Denominator[n!/10^n], {n, 0, 30}]