500162

Appears in sequences

• a(n) = Sum_{k=0..n} C(n-k,3k).at n=24A003522
• Number of compositions of n such that two adjacent parts are not equal modulo 2.at n=34A062200
• Quadrisection of a generalized Padovan sequence.at n=18A099099
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 2,1 3,0 4,0 4,1 5,0 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155375
• a(n) = Sum_{k=0..floor(n/2)} binomial(2*n-k,3*k).at n=12A392400