48030domain: NAppears in sequencesTotal sum of parts of multiplicity 4 in all partitions of n.at n=40A222732Number of (n+3) X 7 0..1 matrices with each 4 X 4 subblock idempotent.at n=18A224564Number of (n+1) X (6+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0011 or 0101.at n=12A259220