login
Positions of zero in the infinite audioactive word, A088205, which shifts left under "Look and Say" method A, starting with a(1)=0.
1

%I #8 Jul 13 2022 17:57:24

%S 1,3,7,11,17,27,39,53,75,101,131,175,231,301,399,529,691,907,1199,

%T 1557,2027,2655,3447,4497,5881,7669,10003,13075,17049,22211,28995,

%U 37781,49201,64193

%N Positions of zero in the infinite audioactive word, A088205, which shifts left under "Look and Say" method A, starting with a(1)=0.

%C Empirically the partial sums of A022471. - _Sean A. Irvine_, Jul 13 2022

%e The initial terms of A088205, {0,1,0,1,1,1,0,3,1,1,0,...}, are shift left by saying: "one 0, one 1, one 0, three 1's, one 0, ...", which drops the leading 0 to give {1,0,1,1,1,0,3,1,1,0,...}.

%Y Cf. A088205, A088203, A087282, A005150, A022471.

%K nonn,base

%O 1,2

%A _Paul D. Hanna_, Sep 22 2003