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

Terms

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