Number of (n+2)X(2+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.
A263335
Number of (n+2)X(2+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.
Terms
- a(0) =7a(1) =19a(2) =57a(3) =409a(4) =2047a(5) =10747a(6) =70423a(7) =427507a(8) =2610075a(9) =16811257a(10) =106973797a(11) =685280521a(12) =4472908837a(13) =29110775719a(14) =191077482297
External references
- oeis: A263335