Number of 3's between n-th 2 and (n+1)st 2 in A026600.

Terms

a(0) =1a(1) =2a(2) =0a(3) =2a(4) =0a(5) =2a(6) =0a(7) =1a(8) =1a(9) =2a(10) =0a(11) =2a(12) =0a(13) =1a(14) =1a(15) =1a(16) =2a(17) =1a(18) =0a(19) =1a(20) =1a(21) =1a(22) =2a(23) =0a(24) =2a(25) =0a(26) =1a(27) =2a(28) =0a(29) =2