Position of start of first run of alternating bit values in the base-2 representation of Pi, or -1 if no such run exists.
A382307
Position of start of first run of alternating bit values in the base-2 representation of Pi, or -1 if no such run exists.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =19a(4) =19a(5) =19a(6) =19a(7) =19a(8) =1195a(9) =1697a(10) =1890a(11) =1890a(12) =1890a(13) =1890a(14) =15081a(15) =63795a(16) =206825a(17) =206825a(18) =206825a(19) =470577a(20) =470577a(21) =557265a(22) =557265a(23) =557265a(24) =557265a(25) =557265a(26) =447666572a(27) =447666572a(28) =699793337a(29) =699793337
External references
- oeis: A382307