Number of (5+1)X(n+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.
A253702
Number of (5+1)X(n+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.
Terms
- a(0) =680a(1) =602a(2) =878a(3) =1120a(4) =1632a(5) =1914a(6) =2626a(7) =3598a(8) =5568a(9) =7834a(10) =11444a(11) =15184a(12) =21204a(13) =28724a(14) =41780a(15) =59166a(16) =85802a(17) =118564a(18) =166932a(19) =229624a(20) =328208a(21) =460790a(22) =662480a(23) =924528a(24) =1309914a(25) =1817614a(26) =2579176a(27) =3614912a(28) =5154266a(29) =7229288
External references
- oeis: A253702