45825

Appears in sequences

• Centered octahedral numbers (crystal ball sequence for cubic lattice).at n=32A001845
• Number of distinct lines through the origin in 4-dimensional cube of side length n.at n=14A090026
• Numbers k such that 7*R_k - 4 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=13A099420
• (k^2)-th k-smooth number for k = prime(n).at n=28A133581
• Expansion of x^5*(1 - x)^2*(4 - 14*x + 8*x^2 + 11*x^3 - 6*x^4 - 2*x^5 + 2*x^6 + 5*x^7 - 2*x^8 + x^9)/(1 - 2*x)^4.at n=16A212330
• Number of (n+3) X 10 0..2 matrices with each 4 X 4 subblock idempotent.at n=12A224727
• Number of n-bead 5-ary necklaces (no turning over allowed) that avoid the subsequence 110.at n=8A274020
• Number of labeled n-vertex 2-edge multigraphs that are neither crossing nor nesting.at n=26A326247