29468

Appears in sequences

• Expansion of (chi(-x) * chi(-x^19))^(-2) in powers of x where chi() is a Ramanujan theta function.at n=33A134004
• Number of (3+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=24A258556
• Triangle read by rows: numerators of the almost-Riordan array ( 3*(7 - 4*x + sqrt(1 - 8*x))/(24 - 48*x + 16*x^2 + (3*x - 3)*(1 - 4*x - sqrt(1 - 8*x))) | 24/(24 - 48*x + 16*x^2 + (3*x - 3)*(1 - 4*x - sqrt(1 - 8*x))), (1 - 4*x - sqrt(1 - 8*x))/(8*x) ).at n=45A389706