Number of (n+2) X (6+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.
A257445
Number of (n+2) X (6+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.
Terms
- a(0) =90a(1) =95a(2) =104a(3) =116a(4) =134a(5) =161a(6) =200a(7) =257a(8) =341a(9) =464a(10) =644a(11) =908a(12) =1295a(13) =1862a(14) =2693a(15) =3911a(16) =5696a(17) =8312a(18) =12146a(19) =17765a(20) =26000a(21) =38069a(22) =55757a(23) =81680a(24) =119672a(25) =175352a(26) =256955a(27) =376550a(28) =551825a(29) =808703
External references
- oeis: A257445