The sequence a of 1's and 2's starting with (1,2,1) such that a(n) is the length of the (n+2)nd run of a.
A022303
The sequence a of 1's and 2's starting with (1,2,1) such that a(n) is the length of the (n+2)nd run of a.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =2a(4) =2a(5) =1a(6) =2a(7) =2a(8) =1a(9) =1a(10) =2a(11) =1a(12) =1a(13) =2a(14) =2a(15) =1a(16) =2a(17) =1a(18) =1a(19) =2a(20) =1a(21) =2a(22) =2a(23) =1a(24) =1a(25) =2a(26) =1a(27) =1a(28) =2a(29) =1
External references
- oeis: A022303