A097583 Octal representation of the concatenation of the first n decimal numbers with the most significant digits first.

1, 14, 173, 2322, 30071, 361100, 4553207, 57060516, 726746425, 133767016076, 21756176604103, 3404420603635070, 536705213574536755, 104420417226264430242, 15305164771273206577527

Offset: 1

Author

Cino Hilliard, Aug 29 2004

Keywords

• base
• nonn

Examples

			1234 decimal is 2322 octal the 4th entry in the table.
		

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..337

Crossrefs

Cf. A007908, A050926, A097580, A097582.

Cf. A007094.

Programs

Mathematica

Table[FromDigits[IntegerDigits[FromDigits[Flatten[IntegerDigits/@ Range[ n]]],8]],{n,20}] (* Harvey P. Dale, Aug 11 2021 *)

Formula

a(n) = A007094(A007908(n)). - Seiichi Manyama, Apr 23 2022