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 A097583 Octal representation of the concatenation of the first n decimal numbers with the most significant digits first. 9

%I #15 Apr 23 2022 14:56:33

%S 1,14,173,2322,30071,361100,4553207,57060516,726746425,133767016076,

%T 21756176604103,3404420603635070,536705213574536755,

%U 104420417226264430242,15305164771273206577527

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

%H Seiichi Manyama, <a href="/A097583/b097583.txt">Table of n, a(n) for n = 1..337</a>

%F a(n) = A007094(A007908(n)). - _Seiichi Manyama_, Apr 23 2022

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

%t Table[FromDigits[IntegerDigits[FromDigits[Flatten[IntegerDigits/@ Range[ n]]],8]],{n,20}] (* _Harvey P. Dale_, Aug 11 2021 *)

%Y Cf. A007908, A050926, A097580, A097582.

%Y Cf. A007094.

%K base,nonn

%O 1,2

%A _Cino Hilliard_, Aug 29 2004

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Last modified February 29 16:58 EST 2024. Contains 370426 sequences. (Running on oeis4.)