216216

Appears in sequences

• Weight distribution of [ 28,14,9 ] ternary self-dual code.at n=8A002521
• Coefficients for extrapolation.at n=5A002738
• Least sum of 4 positive cubes in exactly n ways.at n=17A025420
• Numbers k such that sigma(k) = phi(prime(k)-1).at n=22A067651
• Least number which is the sum of four nonnegative cubes (not necessarily distinct and including zero) in n ways.at n=18A076749
• Number of subsets S of {1,2,3,...,n} with the property that if x is a member of S then at least one of x-2 and x+2 is also a member of S.at n=22A172020
• a(n) = concatenation of n^3 with itself.at n=5A175605
• Numbers with prime factorization pqrs^3t^3.at n=7A190385
• Numbers n for which there exists k > n such that A000203(k) = A000203(n) and A007947(k) = A007947(n), where A000203 gives the sum of divisors, and A007947 gives the squarefree kernel of n.at n=41A255334
• Record values in A008480.at n=41A260987
• Largest FDH number of a strict integer partition of n.at n=32A299758
• Coefficients T(n,k) of x^n*y^(n-k)*z^k in function A = A(x,y,z) such that A = 1 + x*B*C, B = 1 + y*C*A, and C = 1 + z*A*B, as a triangle read by rows.at n=80A323324
• Coefficients T(n,k) of x^n*y^(n-k)*z^k in function A = A(x,y,z) such that A = 1 + x*B*C, B = 1 + y*C*A, and C = 1 + z*A*B, as a triangle read by rows.at n=88A323324
• Triangle read by rows: T(n,k) = (-1)^(n+k)*(n+k+1)*binomial(n,k)*binomial(n+k,k) for n >= k >= 0.at n=33A331431
• a(n) is the smallest number with exactly n divisors that are hoax numbers (A019506).at n=13A357034
• a(n) is the least number with exactly n divisors of the form 5*k+4.at n=32A364600
• Triangle read by rows: T(n, k) = (-1)^(n + k)*2*binomial(2*k - 1, n)* binomial(2*n + 1, 2*k) for k > 0, and k^n for k = 0.at n=33A368846
• Numbers whose infinitary divisors have a mean infinitary abundancy index that is larger than 2.at n=21A374788
• Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-x)/(1 + x)^2 ).at n=5A377829