Number of (3+2) X (n+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.
A252387
Number of (3+2) X (n+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) =588a(1) =529a(2) =632a(3) =663a(4) =963a(5) =1341a(6) =1610a(7) =2376a(8) =3331a(9) =4097a(10) =6077a(11) =8560a(12) =10605a(13) =15764a(14) =22252a(15) =27640a(16) =41123a(17) =58099a(18) =72237a(19) =107513a(20) =151948a(21) =188993a(22) =281324a(23) =397648a(24) =494664a(25) =736367a(26) =1040899a(27) =1294921a(28) =1927685a(29) =2724952
External references
- oeis: A252387