8005878domain: NAppears in sequencesNumbers k such that k and k+10 are 10-almost primes.at n=26A124945Number of (n+2) X 3 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=30A202093Number of (n+1)X(2+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=31A250426