292344domain: NAppears in sequencesSum{T(i,n-i): i=0,1,...,n}, array T as in A047150.at n=19A047151Number of 4 X n 0..1 arrays with rows nondecreasing and antidiagonals unimodal.at n=28A224135Numbers k such that 3*10^k - 97 is prime.at n=30A290577