a(1)=1. a(n) = the smallest positive multiple of a(n-1) that contains the binary representations of all positive integers <= n at least once each in its binary representation.
A144098
a(1)=1. a(n) = the smallest positive multiple of a(n-1) that contains the binary representations of all positive integers <= n at least once each in its binary representation.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =12a(4) =108a(5) =108a(6) =756a(7) =1512a(8) =37800a(9) =37800a(10) =945000a(11) =945000a(12) =945000a(13) =945000a(14) =10395000a(15) =20790000a(16) =602910000a(17) =23513490000a(18) =23513490000a(19) =23513490000a(20) =23513490000a(21) =23513490000a(22) =23513490000a(23) =23513490000a(24) =23513490000
External references
- oeis: A144098