a(n) is (apparently) the largest number k whose Collatz (or '3x+1') trajectory includes the number k + n.
A303876
a(n) is (apparently) the largest number k whose Collatz (or '3x+1') trajectory includes the number k + n.
Terms
- a(0) =7287a(1) =7286a(2) =9229a(3) =9228a(4) =9227a(5) =9226a(6) =6147a(7) =9224a(8) =2299a(9) =9222a(10) =9221a(11) =9220a(12) =4255a(13) =3335a(14) =4843a(15) =4086a(16) =7271a(17) =4598a(18) =4839a(19) =3057a(20) =5003a(21) =1758a(22) =7265a(23) =6130a(24) =8511a(25) =8510a(26) =6671a(27) =6670a(28) =7259a(29) =4586
External references
- oeis: A303876