32477

Appears in sequences

• Strong pseudoprimes to base 19.at n=24A020245
• Strong pseudoprimes to base 51.at n=19A020277
• Strong pseudoprimes to base 87.at n=20A020313
• Numbers whose anti-divisors sum to a perfect cube.at n=33A109351
• a(n) = Sum_{k=0..(n-2)/2} a(k)a*(n-1-k), with a(0) = a(1) = 1.at n=18A124973
• a(n) = 1 + 4*n*(1 + 2*n^2)/3.at n=23A171272
• Triangle T(n, k) = Number of non-equivalent (mod D_3) ways to arrange k indistinguishable points on a triangular grid of side n so that no three points are collinear. Triangle read by rows.at n=43A234350
• Number of non-equivalent (mod D_3) ways to arrange 5 indistinguishable points on a triangular grid of side n so that no three points are collinear.at n=4A234353