38038

Appears in sequences

• a(n) = n*(n+1)*(2*n+1)/3.at n=38A006331
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 30.at n=12A031708
• Numbers k whose decimal representation, read as a base-12 value and divided by k, yields an integer.at n=26A032555
• Partial sums of A051877.at n=10A050403
• Multiples of 1729, the Hardy-Ramanujan number.at n=22A138129
• a(n) = 1001*n.at n=37A153814
• a(n) = 225*n^2 + n.at n=12A156814
• a(n) = 169*n^2 + 13.at n=15A158548
• Number of length-4 0..n arrays with no repeated value equal to the previous repeated value.at n=12A269468
• Number of (undirected) paths in the n-wheel graph.at n=19A291919
• Sum of the areas of the squares on the sides of the distinct rectangles that can be made with positive integer sides such that L + W = n, W < L.at n=38A294473
• Even bisection of A318256.at n=37A306745
• a(n) is the number of 2-point antichains in the poset D_{2n+1} of type D, whose elements are compositions of 2n+1.at n=25A344791
• Perimeters of more than one primitive 120-degree integer triangle.at n=31A350047
• a(n) is the denominator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears in internal diffusion-limited aggregation on the square lattice.at n=23A368393
• a(n) is the denominator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears in internal diffusion-limited aggregation on the square lattice.at n=24A368393
• a(n) is the denominator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears in internal diffusion-limited aggregation on the square lattice.at n=26A368393
• a(n) is the denominator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears in internal diffusion-limited aggregation on the square lattice.at n=32A368393
• a(n) is the denominator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears in internal diffusion-limited aggregation on the square lattice.at n=34A368393
• a(n) is the denominator of the probability that a particular one of the A335573(n+1) fixed polyominoes corresponding to the free polyomino with binary code A246521(n+1) appears in internal diffusion-limited aggregation on the square lattice.at n=37A368393