90369domain: NAppears in sequencesExpansion of cosh(x)/cos(log(1+x)).at n=8A009180T(n,k)=Number of length (n+k)X1 arrays of occupancy after each element moves up to +-k places but not 0 and without 2-loops.at n=38A222165Number of integer compositions of n whose leaders of anti-runs are distinct.at n=20A374518