69369

Appears in sequences

• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (0, 0, -1), (1, -1, -1), (1, 1, 1)}.at n=9A149598
• Number of length 7+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third.at n=19A248440
• Number of maximal independent vertex sets in the n X n giraffe graph.at n=6A367458
• Cogrowth sequence of the 16-element group C4 X C2 X C2 = <S,T,U | S^4, T^2, U^2, [S,T], [S,U], [T,U]>.at n=6A377843