Number of nX3 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A306138
Number of nX3 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =23a(2) =90a(3) =521a(4) =2787a(5) =14804a(6) =79839a(7) =428041a(8) =2296512a(9) =12329851a(10) =66162665a(11) =355098680a(12) =1905814101a(13) =10228215869a(14) =54894290098a(15) =294613084651
External references
- oeis: A306138