111021

Appears in sequences

• Row 7 of the array in A107735.at n=13A107731
• Start with a square; at each stage add a square at each expandable vertex so that the ratio of the side of the squares at stage n+1 and at stage n is the golden ratio phi=0.618...; a(n) is the number of squares in a portion of the n-th stage (see below).at n=13A269965
• Records in A073053 starting from a(1).at n=32A305395
• Concatenate the ternary strings for n, n-1, n-2, ..., 2, 1.at n=3A360505
• The numerators of a series that converges to the Dottie Number (A003957).at n=7A369187