Unrelated-factorial numbers: product of numbers unrelated to n (numbers which have a common divisor with n but do not divide n).
A070251
Unrelated-factorial numbers: product of numbers unrelated to n (numbers which have a common divisor with n but do not divide n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =4a(6) =1a(7) =6a(8) =6a(9) =192a(10) =1a(11) =720a(12) =1a(13) =23040a(14) =6480a(15) =10080a(16) =1a(17) =12902400a(18) =1a(19) =34836480a(20) =2449440a(21) =1857945600a(22) =1a(23) =50295168000a(24) =3000a(25) =980995276800a(26) =9797760a(28) =1a(30) =1
External references
- oeis: A070251