cp's OEIS Frontend

A343041 a(0) = 0 and for any n > 0, a(n) = A343040(a(n-1), n).

%I A343041 #10 Apr 08 2021 00:34:08
%S A343041 0,1,3,3,5,5,11,11,11,11,11,11,17,17,17,17,17,17,23,23,23,23,23,23,47,
%T A343041 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,
%U A343041 71,71,71,71,71,71,71,71,71,71,71,71,71,71,71,71,71,71,71
%N A343041 a(0) = 0 and for any n > 0, a(n) = A343040(a(n-1), n).
%C A343041 This sequence has similarities with A087052.
%C A343041 If we remove duplicate terms, then we obtain A200748.
%C A343041 The value A200748(k) appears A130493(k) times for any k > 0.
%H A343041 Rémy Sigrist, <a href="/A343041/b343041.txt">Table of n, a(n) for n = 0..5039</a>
%H A343041 Rémy Sigrist, <a href="/A343041/a343041.gp.txt">PARI program for A343041</a>
%H A343041 <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a>
%H A343041 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a>
%e A343041 The first terms, in decimal and in factorial base, are:
%e A343041   n   a(n)  fact(n)  fact(a(n))
%e A343041   --  ----  -------  ----------
%e A343041    0     0        0           0
%e A343041    1     1        1           1
%e A343041    2     3       10          11
%e A343041    3     3       11          11
%e A343041    4     5       20          21
%e A343041    5     5       21          21
%e A343041    6    11      100         121
%e A343041    7    11      101         121
%e A343041    8    11      110         121
%e A343041    9    11      111         121
%e A343041   10    11      120         121
%e A343041   11    11      121         121
%e A343041   12    17      200         221
%e A343041   13    17      201         221
%e A343041   14    17      210         221
%o A343041 (PARI) See Links section.
%Y A343041 Cf. A087052, A130493, A200748, A343040, A343045.
%K A343041 nonn,base
%O A343041 0,3
%A A343041 _Rémy Sigrist_, Apr 03 2021