691050

Appears in sequences

• Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,5,2,0,1,1,0 for x=0,1,2,3,4,5,6.at n=6A197941
• a(n) is the total binary weight of all persolus bitstrings of length n.at n=30A335206