Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.
A275178
Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.
Terms
- a(0) =5a(1) =16a(2) =25a(3) =41a(4) =85a(5) =181a(6) =389a(7) =834a(8) =1781a(9) =3799a(10) =8110a(11) =17328a(12) =37032a(13) =79130a(14) =169059a(15) =361178a(16) =771648a(17) =1648657a(18) =3522441a(19) =7525825a(20) =16079113a(21) =34353402a(22) =73396957a(23) =156814715a(24) =335039190a(25) =715820740a(26) =1529371036a(27) =3267543982a(28) =6981199507
External references
- oeis: A275178