313600

Appears in sequences

• Squares of tetrahedral numbers: a(n) = binomial(n+3,n)^2.at n=13A001249
• Squares of numbers in array formed from even elements to the right of middle of rows of Pascal triangle.at n=28A014762
• Squares of even octagonal numbers.at n=7A014794
• Squares of even tetrahedral numbers (A015220).at n=10A014796
• a(n) = the numerator of b(n): {b(n)} is such that the continued fraction (of rational terms) [b(1);b(2),...,b(n)] equals the n-th prime, for every positive integer n.at n=37A128270
• a(n) = the denominator of b(n): {b(n)} is such that the continued fraction (of rational terms) [b(1);b(2),...,b(n)] equals the n-th prime, for every positive integer n.at n=40A128271
• Composite numbers such that the cube root of the sum of cubes of their prime factors is an integer.at n=9A134608
• Numbers such that the cube root of the sum of cubes of their prime factors is a nonprime integer.at n=7A134609
• a(n) = least square such that the subsets of {a(1),...,a(n)} sum to 2^n different values.at n=17A138858
• a(n) = ((2 + sqrt(2))^n - (2 - sqrt(2))^n)^2/8.at n=6A144844
• Squares such that square+-3=primes.at n=23A153262
• Numbers that set records for number of divisors of n(n-1).at n=34A192488
• Number of (w,x,y,z) with all terms in {1,...,n} and w<=2x and y<=2z.at n=27A212506
• Product of terms in n-th row of A037306.at n=8A215251
• Composite numbers whose number of proper divisors has a number of proper divisors which has a prime number of proper divisors.at n=11A223457
• Number of (n+2) X (3+2) arrays of permutations of 0..n*5+9 with each element moved 0 or 1 knight moves and no more than 1 element left unmoved.at n=3A263567
• T(n,k)=Number of (n+2)X(k+2) arrays of permutations of 0..(n+2)*(k+2)-1 with each element moved 0 or 1 knight moves and no more than 1 element left unmoved.at n=17A263568
• T(n,k)=Number of (n+2)X(k+2) arrays of permutations of 0..(n+2)*(k+2)-1 with each element moved 0 or 1 knight moves and no more than 1 element left unmoved.at n=18A263568
• Triangle T(n,p) read by rows: the order of the semigroup of orientation-preserving partial transformations of n elements with height p.at n=40A289711
• Triangle read by rows: T(n, k) = (binomial(n,k)*binomial(n+k,k))^2 = A063007(n, k)^2, for n >= 0, k = 0..n.at n=18A303987