Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 neighboring 1s.
A296325
Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 neighboring 1s.
Terms
- a(0) =1a(1) =26a(2) =122a(3) =562a(4) =3569a(5) =20088a(6) =112235a(7) =643541a(8) =3666933a(9) =20890748a(10) =119144071a(11) =679253594a(12) =3873420006a(13) =22088544036a(14) =125956423940a(15) =718274061983
External references
- oeis: A296325