1099824

Appears in sequences

• Number of 3Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=14A207112
• Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001.at n=12A260289
• Number of cryptarithms of the form x + y = z in base n for which no summand contains any letter more than once and which have at least one solution.at n=4A277497