Partial sums of A084509. Positions of ones in the first differences of A084506.

A084508

Partial sums of A084509. Positions of ones in the first differences of A084506.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =9a(4) =33a(5) =129a(6) =513a(7) =2049a(8) =8193a(9) =32769a(10) =131073a(11) =524289a(12) =2097153a(13) =8388609a(14) =33554433a(15) =134217729a(16) =536870913a(17) =2147483649a(18) =8589934593a(19) =34359738369a(20) =137438953473a(21) =549755813889

External references