76658

Appears in sequences

• a(n) = Sum_{k=0..n} f(k)*f(n-k) where f(k) = A002124(k).at n=41A002125
• a(n) is the number of primes p which have exactly n zeros and n ones when written in binary.at n=11A095018
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,1 3,2 4,3 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155289