Number of nX1 0..1 arrays with exactly floor(nX1/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
A222283
Number of nX1 0..1 arrays with exactly floor(nX1/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =3a(4) =4a(5) =4a(6) =5a(7) =20a(8) =27a(9) =48a(10) =63a(11) =175a(12) =236a(13) =512a(14) =684a(15) =1719a(16) =2320a(17) =5400a(18) =7271a(19) =17776a(20) =24036a(21) =57420a(22) =77636a(23) =188656a(24) =255591a(25) =617176a(26) =836595a(27) =2033175a(28) =2759184a(29) =6697744
External references
- oeis: A222283