T(n,k)=Number of nXk 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

A278372

T(n,k)=Number of nXk 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =59a(8) =59a(9) =0a(10) =6a(11) =1465a(12) =3766a(13) =1465a(14) =6a(15) =77a(16) =19047a(17) =184341a(18) =184341a(19) =19047a(20) =77a(21) =504a(22) =194726a(23) =5897660a(24) =16073852a(25) =5897660a(26) =194726a(27) =504a(28) =2304a(29) =1734714

External references