Half the number of n X 2 0..2 arrays with no element equal its row sum plus its column sum mod 3.
A183425
Half the number of n X 2 0..2 arrays with no element equal its row sum plus its column sum mod 3.
Terms
- a(0) =3a(1) =9a(2) =32a(3) =129a(4) =513a(5) =2048a(6) =8193a(7) =32769a(8) =131072a(9) =524289a(10) =2097153a(11) =8388608a(12) =33554433a(13) =134217729a(14) =536870912a(15) =2147483649a(16) =8589934593a(17) =34359738368a(18) =137438953473a(19) =549755813889
External references
- oeis: A183425