49577

Appears in sequences

• Length of one version of Kolakoski sequence {A000002(i)} at n-th growth stage.at n=27A001083
• a(0) = 1 by convention; for n>0, a(n) is the number of points in the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter).at n=10A331449
• Triangle read by rows: T(n,m) (n >= m >= 1) = number of vertices formed by drawing the lines connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares.at n=54A331453
• Non-Brauer numbers.at n=36A349044
• Records in A352187.at n=60A352191