Number of (n+2) X (6+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 3 5 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 3 5 6 or 7.
A252252
Number of (n+2) X (6+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 3 5 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 3 5 6 or 7.
Terms
- a(0) =616a(1) =359a(2) =318a(3) =336a(4) =366a(5) =405a(6) =453a(7) =531a(8) =633a(9) =759a(10) =963a(11) =1230a(12) =1560a(13) =2094a(14) =2793a(15) =3657a(16) =5055a(17) =6885a(18) =9147a(19) =12807a(20) =17598a(21) =23520a(22) =33102a(23) =45645a(24) =61149a(25) =86235a(26) =119073a(27) =159663a(28) =225339a(29) =311310
External references
- oeis: A252252