317019

Appears in sequences

• a(n) = n plus sum of previous three terms.at n=20A062544
• Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=6A301359
• Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=5A301360