Number of (n+1) X 3 0..2 arrays with each element of every 2 X 2 subblock being the sum mod 3 of two others.
A183829
Number of (n+1) X 3 0..2 arrays with each element of every 2 X 2 subblock being the sum mod 3 of two others.
Terms
- a(0) =127a(1) =823a(2) =5323a(3) =35755a(4) =237671a(5) =1598975a(6) =10698847a(7) =71897239a(8) =482007015a(9) =3236765167a(10) =21714088791a(11) =145764796623a(12) =978116447511
External references
- oeis: A183829