Number of (n+2) X (6+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7.
A252382
Number of (n+2) X (6+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7.
Terms
- a(0) =4682a(1) =1496a(2) =1341a(3) =1475a(4) =1894a(5) =2356a(6) =2778a(7) =3836a(8) =5035a(9) =6189a(10) =8920a(11) =12049a(12) =15119a(13) =22230a(14) =30412a(15) =38498a(16) =57076a(17) =78487a(18) =99705a(19) =148304a(20) =204349a(21) =259947a(22) =387142a(23) =533860a(24) =679466a(25) =1012428a(26) =1396531a(27) =1777781a(28) =2649448a(29) =3655033
External references
- oeis: A252382