63964domain: NAppears in sequencesGaps of 9 in sequence A038593 (lower terms).at n=31A038657Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 00100101 or 01010101.at n=7A261261Number of integer partitions of n without all different sums of two-element submultisets.at n=45A366753