Number of (n+1) X 5 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one, and every 2 X 2 determinant nonzero.
A206006
Number of (n+1) X 5 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one, and every 2 X 2 determinant nonzero.
Terms
- a(0) =722a(1) =3706a(2) =12068a(3) =64224a(4) =211824a(5) =1159120a(6) =3850160a(7) =21563332a(8) =71908620a(9) =410324398a(10) =1371057344a(11) =7935278938a(12) =26539793884a(13) =155196079882a(14) =519275349560
External references
- oeis: A206006