911218

Appears in sequences

• Number of Twopins positions.at n=34A005689
• Diagonal sums of the triangle A190152.at n=13A190154
• p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = (1 - S^2).at n=39A289918
• Expansion of (1 - x + x^3)/((1 - x + x^3)^2 - 4*x^3).at n=19A376717