47151

Appears in sequences

• Number of Barlow packings with group P63mc that repeat after 2n layers.at n=16A011948
• a(n) = (1/12)*(n+5)*(n+1)*n^2.at n=26A014205
• a(n) = 49*n^2 + 2*n.at n=30A157365
• a(n) = n*(16*n^2 + 3*n - 13)/6.at n=26A172078
• a(n) = n^4/8 + (5*n^3)/12 - n^2/8 - (5*n)/12 + 1.at n=25A226639
• a(n) = A053656(n) - A000011(n).at n=21A256216
• Coordination sequence for (2,3,8) tiling of hyperbolic plane.at n=44A265058
• Numbers m such that sigma(sigma(m))/m is a square.at n=29A318084
• Numbers k such that d(k) < d(k - 1) and d(k) < d(k + 1), and d(k) is also a record for this type of number where d(k) is the number of divisors of k.at n=8A369155