41329

Appears in sequences

• Number of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 4,1 4,2 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.at n=9A155383
• 1, followed by list of numbers n such that the number of strong primes and the number of weak primes are equal at the n-th prime.at n=26A175102
• The number of forests of labeled rooted strictly binary trees (each vertex has exactly two children or none) on n nodes.at n=8A200850
• Number of permutations p of [n] satisfying Sum_{i=1..n} (p(i)-i)^2 = 2*n.at n=14A390749