25024

Appears in sequences

• Arithmetic derivative of n*prime(n).at n=47A068981
• Difference between the cubes and 2*tetrahedral numbers; A000578(n) - 2*A000292(n).at n=34A146298
• Number of (n+5)X12 0..1 matrices with each 6X6 subblock idempotent.at n=10A224576
• Numbers which are representable as a sum of seventeen but no fewer consecutive nonnegative integers.at n=35A270302
• Number of quadrilateral regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles.at n=22A324043
• Number of cyclic subgroups of the group (C_n)^5, where C_n is the cyclic group of order n.at n=9A344219
• Expansion of e.g.f. sinh( (exp(4*x) - 1)/2 )/2.at n=6A357666
• a(n) = Sum_{k=0..n} binomial(4*n-2*k+1,n-k).at n=5A390413