Smallest number divisible by all numbers from 1 to 2*n-1, but not divisible by n, or 0 if impossible.
A230478
Smallest number divisible by all numbers from 1 to 2*n-1, but not divisible by n, or 0 if impossible.
Terms
- a(0) =3a(1) =20a(2) =210a(3) =504a(4) =0a(5) =51480a(6) =180180a(7) =4084080a(8) =0a(9) =21162960a(10) =0a(11) =2059318800a(12) =0a(13) =0a(16) =0a(18) =0a(19) =0a(20) =0a(22) =0a(24) =0a(26) =0a(28) =0
External references
- oeis: A230478