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

1,2

Links

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

Formula

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

Example

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

Mathematica

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

Crossrefs

Cf. A007908, A050926, A097580, A097582.

Cf. A007094.

Sequence in context: A016136 A277940 A061484 * A269680 A269469 A349858

Adjacent sequences: A097580 A097581 A097582 * A097584 A097585 A097586

Keyword

base,nonn

Author

Cino Hilliard, Aug 29 2004

Status

approved