1229312

Appears in sequences

• Discriminants of totally real sextic fields.at n=17A023686
• Numbers of form 7^i*8^j with i, j >= 0, sorted.at n=31A036566
• Mean integral divisors associated with A048751.at n=18A048752
• Coefficient triangle for certain polynomials.at n=33A055858
• Product of product of divisors of n and sum of divisors of n.at n=27A076722
• a(n) = n^4*(n+1)^4/8.at n=6A202107
• Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).at n=8A234436
• a(n) = 2*n^4.at n=28A244730
• Coefficients in q-expansion of (6*E_2^2*E_4 - 8*E_2*E_6 + 3*E_4^2 - E_2^4)/6912, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=28A282211
• Corresponding values of pod(n)/tau(n) of numbers n from A120736.at n=20A293376
• Terms of A330606 which are not squares or powers of 2.at n=10A330650
• Numbers n that can be written as both the sum of two nonzero fourth powers and the sum of three nonzero fourth powers.at n=7A336536
• Nonsquare numbers k such that the denominator of the harmonic mean of the divisors of k is larger than 2*k.at n=2A348827
• Exponentially powerful numbers whose prime factorization exponents are all powerful numbers > 1.at n=34A372405