47996

Appears in sequences

• Number of sensed loopless planar maps with n edges.at n=9A006390
• Numbers n such that phi(n) = phi(n-1) - phi(n-2).at n=17A066231
• Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 4,2 5,2 5,3 6,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155398
• Number of length n+4 0..3 arrays with no pair in any consecutive five terms totalling exactly 3.at n=8A246732
• G.f. = b(2)*b(6)*b(10)/(x^14+x^12-x^5-x^3-x+1), where b(k) = (1-x^k)/(1-x).at n=20A266334
• Number of vertex-transitive graphs with n vertices that are not circulant.at n=44A389815