Number of nX4 0..2 arrays with no element equal to the sum of elements to its left or one plus the sum of elements above it, modulo 3.
A239026
Number of nX4 0..2 arrays with no element equal to the sum of elements to its left or one plus the sum of elements above it, modulo 3.
Terms
- a(0) =1a(1) =5a(2) =11a(3) =59a(4) =149a(5) =806a(6) =2195a(7) =11768a(8) =33417a(9) =177087a(10) =514763a(11) =2701462a(12) =7959113a(13) =41470771a(14) =123166255a(15) =638542081a(16) =1905821801a(17) =9846665639a(18) =29480427979a(19) =151961034078a(20) =455874537477
External references
- oeis: A239026