Number of n X 1 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.
A267946
Number of n X 1 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.
Terms
- a(0) =1a(1) =3a(2) =8a(3) =21a(4) =53a(5) =132a(6) =323a(7) =783a(8) =1880a(9) =4485a(10) =10637a(11) =25116a(12) =59075a(13) =138519a(14) =323936a(15) =755877a(16) =1760453a(17) =4093620a(18) =9506051a(19) =22049055a(20) =51091496a(21) =118287237a(22) =273658877a(23) =632714892a(24) =1462080131a(25) =3377002023a(26) =7796796848a(27) =17994911781a(28) =41519520053
External references
- oeis: A267946