Irregular triangle read by rows: T(n,k) = number of orbits of order exactly k under doubling map which remain in a semicircle, with k dividing n.
A038870
Irregular triangle read by rows: T(n,k) = number of orbits of order exactly k under doubling map which remain in a semicircle, with k dividing n.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =3a(4) =1a(5) =7a(6) =1a(7) =5a(8) =11a(9) =15a(10) =1a(11) =31a(12) =1a(13) =9a(14) =21a(15) =43a(16) =55a(17) =63a(18) =1a(19) =37a(20) =91a(21) =127a(22) =1a(23) =17a(24) =85a(25) =171a(26) =239a(27) =255a(28) =1a(29) =73
External references
- oeis: A038870