Number of 3 X 3 matrices with elements from [0,...,(n-1)] satisfying the condition that the middle element of each row or column is the difference of the two end elements (in absolute value).
A058333
Number of 3 X 3 matrices with elements from [0,...,(n-1)] satisfying the condition that the middle element of each row or column is the difference of the two end elements (in absolute value).
Terms
- a(0) =1a(1) =16a(2) =73a(3) =208a(4) =465a(5) =896a(6) =1561a(7) =2528a(8) =3873a(9) =5680a(10) =8041a(11) =11056a(12) =14833a(13) =19488a(14) =25145a(15) =31936a(16) =40001a(17) =49488a(18) =60553a(19) =73360a(20) =88081a(21) =104896a(22) =123993a(23) =145568a(24) =169825a(25) =196976a(26) =227241a(27) =260848a(28) =298033a(29) =339040
External references
- oeis: A058333