110244

Appears in sequences

• Number of compositions of n such that the maximal distance between two identical parts equals three.at n=22A262196
• Number of nX4 0..1 arrays with every element unequal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=12A318419
• a(n) is the sum of n consecutive triangular numbers immediately preceding a triangular number T(k), which is also equal to the sum of n-1 consecutive triangular numbers immediately following T(k).at n=8A392441