124439

Appears in sequences

• Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=6A300637
• Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=5A300638
• a(n) = number of nonempty subsets of {1,2,...,n} having a partition into two subsets with the same sum of elements.at n=17A357212