65845domain: NAppears in sequencesNumber of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010001.at n=9A260170a(n) = number of partitions p of n such that the greatest multiplicity of the parts of p is a part of p.at n=49A365613