Number of nX2 0..3 arrays with no three equal values forming an isosceles right triangle, and new values introduced in 0..3 order.
A273961
Number of nX2 0..3 arrays with no three equal values forming an isosceles right triangle, and new values introduced in 0..3 order.
Terms
- a(0) =2a(1) =10a(2) =105a(3) =1264a(4) =15418a(5) =188465a(6) =2304141a(7) =28171070a(8) =344428103a(9) =4211086174a(10) =51486063258a(11) =629484802987
External references
- oeis: A273961