449280

Appears in sequences

• Number of 1:2:sqrt(5) proportioned triangles on an (n+1) X (n+1) grid.at n=32A190099
• Number of 2 X n 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, diagonally or antidiagonally.at n=11A232921
• Expansion of f(-x)^8 * Q(x) in powers of x where f() is a Ramanujan theta function and Q() is a Ramanujan Lambert series.at n=11A277076
• Numbers k with property that k is the least logarithmically smooth numbers (meaning largest prime factor of k is less than log(k)) having squarefree kernel equal to squarefree kernel of k.at n=37A333961
• Expansion of e.g.f. -LambertW(x^2 * log(1-x))/2.at n=9A355874