56757

Appears in sequences

• Half the number of 3 X n binary arrays with no path of adjacent 1's or adjacent 0's from top to bottom or side to side.at n=5A069448
• Half the number of 7 X n binary arrays with no path of adjacent 1's or adjacent 0's from top to bottom or side to side.at n=1A069452
• Where records occur in A114183.at n=43A222194
• a(n) = A000196(A277699(A277807(n))).at n=16A277806