6672232domain: NAppears in sequencesCoefficients c[r,n] in Schmidt's problem Sum[Binomial[n,k]^r Binomial[n+k,k]^r,{k,0,n}] == Sum[Binomial[n,k]Binomial[n+k,k]c[r,k],{k,0,n}] for r=4.at n=4A092868Array read by antidiagonals: Solutions to Schmidt's Problem.at n=32A094424