261793

Appears in sequences

• Expansion of 1/((1-x)(1-3x)(1-6x)(1-9x)).at n=5A021504
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 593", based on the 5-celled von Neumann neighborhood.at n=17A289579