153000

Appears in sequences

• Third column of triangle A054453.at n=19A054454
• Convolution of Fibonacci F(n+1), n >= 0, with F(n+3), n >= 0.at n=18A067331
• Number of associative non-commutative non-anti-associative non-anti-commutative closed binary operations on a set of order n.at n=5A079240
• Product of n^2 and n-th tetrahedral number: a(n) = n^3*(n+1)*(n+2)/6.at n=15A119771
• a(n) = a(n-1) + a(n-2) + F(n), with a(0) = 0, a(1) = 1, a(2) = a(1) + a(0), a(3) = a(2) + a(1), a(4) = a(3) + a(2) + 2.at n=21A166106
• Numbers with prime factorization pq^2r^3s^3.at n=17A190320
• Number of vertices in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and n+2 equally spaced points along the diameter (a total of 2n+2 points). See Comments for precise definition.at n=24A334458