Sum_{i=1..m, d(i)>d(i-1)} d(i)-d(i-1), where Sum_{i=0..m} d(i)*4^i is the base 4 representation of n.
A037854
Sum_{i=1..m, d(i)>d(i-1)} d(i)-d(i-1), where Sum_{i=0..m} d(i)*4^i is the base 4 representation of n.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =0a(6) =0a(7) =2a(8) =1a(9) =0a(10) =0a(11) =3a(12) =2a(13) =1a(14) =0a(15) =1a(16) =1a(17) =1a(18) =1a(19) =1a(20) =0a(21) =0a(22) =0a(23) =2a(24) =1a(25) =0a(26) =0a(27) =3a(28) =2a(29) =1
External references
- oeis: A037854