30954

Appears in sequences

• Numbers whose set of base-13 digits is {1,2}.at n=32A032933
• a(n) = 64*n^2 - n.at n=21A157948
• a(n) = 256*n^2 - 2*n.at n=10A158249
• a(n) = 484*n^2 - 22.at n=7A158627
• Number of nondecreasing -n..n vectors of length 3 whose dot product with some other -n..n vector equals 3.at n=28A226342
• a(n) = (2*n+23)*n*(n-1), a coefficient appearing in the formula a(n)*Pi/324+n+1 giving the average number of regions into which n random planes divide the cube.at n=22A248598
• G.f.: Sum_{n>=0} x^n * Sum_{k=0..n} binomial(n,k)^3 * x^(2*k).at n=12A248658
• p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = (1 - S)(1 - S^2).at n=22A291740
• Number of n element multisets of length 4 vectors over GF(2) that sum to zero.at n=8A363350