266548domain: NAppears in sequencesSum of the parts in the partitions of 4n into 4 parts with smallest part = 1.at n=36A239056Number of (n+2) X (3+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00010101 or 01010101.at n=12A259737a(n) = Sum_{d|n} (d+n/d)^n.at n=5A367553