164144

Appears in sequences

• a(n) = a(n-1) + a(n-2) - floor( a(n-1)/2 ).at n=46A173510
• Number of regions formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares).at n=28A331766