Number of nX3 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
A278380
Number of nX3 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
Terms
- a(0) =0a(1) =3a(2) =74a(3) =1220a(4) =12910a(5) =100807a(6) =652343a(7) =3750182a(8) =19784428a(9) =96786947a(10) =439906101a(11) =1859501560a(12) =7328752206a(13) =27039030100a(14) =93829708460a(15) =307762056698a(16) =958683800155
External references
- oeis: A278380