Number of distinct terms by nesting the 2nd elementary symmetric polynomial in 4 variables.
A246424
Number of distinct terms by nesting the 2nd elementary symmetric polynomial in 4 variables.
Terms
- a(0) =4a(1) =6a(2) =13a(3) =43a(4) =225a(5) =1505a(6) =11177a(7) =86745a(8) =684889
External references
- oeis: A246424