28093

Appears in sequences

• Simple triangulations of a disk: column 4 of square array in A210664.at n=10A004305
• Semiprimes that are the sum of the first n semiprimes for some n.at n=33A092190
• a(n) = 2*a(n-1) - [(n+1)/3] for n>0 with a(0) = 1.at n=16A136169
• Number of (n+2) X 6 0..2 matrices with each 3 X 3 subblock idempotent.at n=14A224602
• Number of length-4 0..n arrays with no repeated value unequal to the previous repeated value plus one mod n+1.at n=11A268945
• a(n) = 120*n^3 + 60*n^2 + 2*n + 1.at n=6A272126
• Number of integer partitions of n where the parts have lesser mean than the distinct parts.at n=39A360251
• Dimension of space of equivariant linear maps from R^{n^3} to R^{n^3} under diagonal action of {-1, 1}^n.at n=13A370649