In the '3x+1' problem, these values for the starting value set new records for the "dropping time", number of steps to reach a lower value than the start.
A060412
In the '3x+1' problem, these values for the starting value set new records for the "dropping time", number of steps to reach a lower value than the start.
Terms
- a(0) =2a(1) =3a(2) =7a(3) =27a(4) =703a(5) =10087a(6) =35655a(7) =270271a(8) =362343a(9) =381727a(10) =626331a(11) =1027431a(12) =1126015a(13) =8088063a(14) =13421671a(15) =20638335a(16) =26716671a(17) =56924955a(18) =63728127a(19) =217740015a(20) =1200991791a(21) =1827397567a(22) =2788008987a(23) =12235060455
External references
- oeis: A060412