61300domain: NAppears in sequencesNumbers k such that 111*2^k+1 is prime.at n=18A032405Triangle T(n,k) of elements of n-th Weyl group of type B whose reduced word uses n-k generators.at n=38A109281Number of length 3+1 0..n arrays with the sum of adjacent differences multiplied by some arrangement of +-1 equal to zero.at n=28A250168