500014

Appears in sequences

• Numbers k such that A320357(k+1)/A320357(k) = 3/2.at n=18A320520
• The number of edges inside a cross with width 3 and height n (see Comments in A331455 for definition) formed by the straight line segments mutually connecting all vertices and all points.at n=34A330851
• Number of 2's in the first 10^n entries of the Kolakoski sequence (A000002).at n=6A342407