Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
A240286
Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =3a(1) =19a(2) =80a(3) =570a(4) =2574a(5) =20764a(6) =97348a(7) =802835a(8) =3797188a(9) =31467286a(10) =149131302a(11) =1237084277a(12) =5865347475a(13) =48665192186a(14) =230756350987
External references
- oeis: A240286