a(n) = binary code (shown here in decimal) of the position of the predecessor of the natural number pair (2n,2n+1) in the compact beanstalk-tree A218780.
A218791
a(n) = binary code (shown here in decimal) of the position of the predecessor of the natural number pair (2n,2n+1) in the compact beanstalk-tree A218780.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =10a(4) =26a(5) =58a(6) =42a(7) =74a(8) =202a(9) =458a(10) =330a(11) =842a(12) =586a(13) =1354a(14) =1610a(15) =2634a(16) =6730a(17) =14922a(18) =10826a(19) =27210a(20) =19018a(21) =43594a(22) =51786a(23) =117322a(24) =84554a(25) =182858a(26) =215626a(27) =313930a(28) =477770a(29) =838218
External references
- oeis: A218791