Number of antichains of subsets of {1..n} with equal edge-sums.
A326574
Number of antichains of subsets of {1..n} with equal edge-sums.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =10a(4) =22a(5) =61a(6) =247a(7) =2096a(8) =81896a(9) =52260575
External references
- oeis: A326574