20017152domain: NAppears in sequencesNumber of ways to place n nonattacking composite pieces rook + rider[5,5] on an n X n chessboard.at n=10A189841Number of integer partitions lambda (of any k) satisfying n = max_{p:lambda} p*m(p,lambda), where m(p,lambda) is the multiplicity of part p in lambda.at n=15A332233