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Powers of 8 written backwards.
3

%I #11 Sep 15 2023 07:51:41

%S 1,8,46,215,6904,86723,441262,2517902,61277761,827712431,4281473701,

%T 2954399858,63767491786,888318557945,4011156408934,23888027348153,

%U 656017679474182,8425863189971522,48918490589341081,278558570881511441

%N Powers of 8 written backwards.

%H Seiichi Manyama, <a href="/A071586/b071586.txt">Table of n, a(n) for n = 0..1000</a>

%o (PARI) for(i=1,50,n=8^i; s=ceil(log(n)/log(10)); print1(sum(i=0,s,10^(s-i-1)*(floor(n/10^i)-10*floor(n/10^(i+1)))),","))

%Y Cf. A004094, A004167, A071582, A071583, A071588, A071584, A071587.

%K easy,nonn,base

%O 0,2

%A _Benoit Cloitre_, Jun 01 2002