317190

Appears in sequences

• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,-2,1.at n=23A222148
• Number of 4Xn arrays containing n copies of 0..4-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 4 and the upper left element equal to 0.at n=11A267405
• Expansion of Product_{n>=1} ((1 + 2*x^n)/(1 - 2*x^n))^(1/2).at n=19A303346