Number of square (0,1)-matrices without zero rows and with exactly n entries equal to 1.

A122400

Number of square (0,1)-matrices without zero rows and with exactly n entries equal to 1.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =31a(4) =338a(5) =4769a(6) =82467a(7) =1687989a(8) =39905269a(9) =1069863695a(10) =32071995198

External references