Numbers n such that s2/s1 is an integer, where s1 is the sum of the odd numbers and s2 is the sum of the even numbers in the Collatz (3x+1) iteration of n.
A274796
Numbers n such that s2/s1 is an integer, where s1 is the sum of the odd numbers and s2 is the sum of the even numbers in the Collatz (3x+1) iteration of n.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =5a(4) =8a(5) =16a(6) =20a(7) =32a(8) =64a(9) =80a(10) =128a(11) =186a(12) =256a(13) =320a(14) =512a(15) =704a(16) =1024a(17) =1280a(18) =1344a(19) =2048a(20) =3808a(21) =4096a(22) =5090a(23) =5120a(24) =6464a(25) =8192a(26) =10152a(27) =15904a(28) =16384a(29) =20480
External references
- oeis: A274796