Number of (n+3)X(2+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.
A263120
Number of (n+3)X(2+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.
Terms
- a(0) =36a(1) =148a(2) =522a(3) =1708a(4) =5124a(5) =15640a(6) =47602a(7) =144236a(8) =432708a(9) =1295524a(10) =3883594a(11) =11649676a(12) =34949028a(13) =104703688a(14) =313818418a(15) =940969804a(16) =2822909412a(17) =8465899188a(18) =25390861962a(19) =76159749740a(20) =228479249220a(21) =685409187320
External references
- oeis: A263120