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A055479 Powers of ten written in base 9.

%I A055479 #15 Jul 02 2025 16:01:59
%S A055479 1,11,121,1331,14641,162151,1783661,20731371,228145181,2520607101,
%T A055479 27726678111,316104570221,3477151372431,38358665206741,
%U A055479 433056427275251,4763631711137761,53511048822526471,588621548147802281,6585837140636825201,73555318547116177211
%N A055479 Powers of ten written in base 9.
%H A055479 Alois P. Heinz, <a href="/A055479/b055479.txt">Table of n, a(n) for n = 0..954</a>
%p A055479 b:= proc(n) local m; m:= n; "";
%p A055479       while m>0 do irem(m, 9, 'm'), % od;
%p A055479       parse(cat(%))
%p A055479     end:
%p A055479 a:= n-> b(10^n):
%p A055479 seq(a(n), n=0..23);  # _Alois P. Heinz_, Aug 23 2019
%t A055479 a[n_]:=FromDigits[IntegerDigits[10^n,9]]; Array[a,20,0] (* _Stefano Spezia_, Jun 01 2025 *)
%Y A055479 Cf. A000468, A011557, A325203.
%K A055479 easy,nonn,base
%O A055479 0,2
%A A055479 _Henry Bottomley_, Jun 27 2000
%E A055479 More terms from _James Sellers_, Jul 04 2000