a(n) is the number of n-subsets of [0..p-1] whose n*(n-1) differences are congruent to 1..p-1 (mod p), where p=n*(n-1)+1.
A351690
a(n) is the number of n-subsets of [0..p-1] whose n*(n-1) differences are congruent to 1..p-1 (mod p), where p=n*(n-1)+1.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =52a(4) =42a(5) =310a(6) =0a(7) =684a(8) =584a(9) =1092a(10) =0a(11) =4788a(12) =0a(13) =7320a(14) =0a(15) =0a(16) =3276a(17) =31314a(18) =0a(19) =32004a(20) =0a(21) =0a(22) =0
External references
- oeis: A351690