70848
domain: N
Appears in sequences
- Numbers with prime factorization pq^3r^6.at n=16A190467
- Number of (w,x,y,z) with all terms in {1,...,n} and w>=2x and y<=3z.at n=24A212521
- a(n) = 27*(n - 6)^2 + 4*(n - 6)^3 = ((n - 6)^2)*(4*n + 3).at n=30A245032
- a(n) = (prime(n) - 7)^2 * (4*prime(n) - 1).at n=10A245035
- Number of 4 X n binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.at n=40A266937
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 817", based on the 5-celled von Neumann neighborhood.at n=40A273648
- Number of ways to tile an n X n X n triangular area with two 2 X 2 X 2 triangular tiles and an appropriate number (= n^2-8) of 1 X 1 X 1 tiles.at n=18A286437
- Conductor of elliptic curve y^2 = x^3 + n*x + n.at n=23A387834
- Numbers k for which sigma(k) >= 2*k and (sigma(k) - 2*k) AND k = k, where AND is bitwise-and, A004198.at n=39A388026