Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.
A275126
Number of n X 3 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.
Terms
- a(0) =5a(1) =16a(2) =45a(3) =129a(4) =373a(5) =1083a(6) =3148a(7) =9157a(8) =26623a(9) =77372a(10) =224857a(11) =653525a(12) =1899462a(13) =5520787a(14) =16046124a(15) =46637722a(16) =135551305a(17) =393976458a(18) =1145083415a(19) =3328158969a(20) =9673218248a(21) =28114986916a(22) =81715561920a(23) =237504397813a(24) =690301064559
External references
- oeis: A275126