A067104 a(n) = floor[ X/Y], where X = concatenation of first n factorials and Y = concatenation of first n natural numbers.

1, 1, 1, 10, 1022, 102256, 102255452, 1022553862210, 102255378766606673, 10225537868377981588347, 10225537868286872045185666318, 102255378682858781228966381713174081, 10225537868285867355405173700779791589867289

Offset: 1

Author

Amarnath Murthy, Jan 07 2002

Keywords

• easy
• nonn
• base

Examples

			a(5) = floor [12624120/12345] = floor[1022.60996354799513973268529769137] = 1022.
		

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..44

Crossrefs

Cf. A067091, A067092, A067093, A067094, A067095, A067096, A067097, A067098, A067099, A067100, A067101, A067102, A067103.

Programs

Mathematica

Table[Floor[FromDigits[Flatten[IntegerDigits/@(Range[n]!)]]/FromDigits[ Flatten[IntegerDigits/@Range[n]]]],{n,15}] (* Harvey P. Dale, Jun 09 2020 *)

Extensions

Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 01 2003

Edited by Charles R Greathouse IV, Apr 27 2010