a(0)=1. a(n) = smallest positive multiple of a(n-1) such that a(n) contains the binary representation of n at least once somewhere within its binary representation.
A141288
a(0)=1. a(n) = smallest positive multiple of a(n-1) such that a(n) contains the binary representation of n at least once somewhere within its binary representation.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =12a(5) =84a(6) =252a(7) =252a(8) =504a(9) =2520a(10) =17640a(11) =52920a(12) =52920a(13) =52920a(14) =52920a(15) =476280a(16) =952560a(17) =952560a(18) =4762800a(19) =61916400a(20) =185749200a(21) =928746000a(22) =928746000a(23) =928746000a(24) =928746000a(25) =4643730000a(26) =13931190000a(27) =13931190000a(28) =13931190000a(29) =13931190000
External references
- oeis: A141288