50752

Appears in sequences

• Numbers that are the sum of 2 nonzero 6th powers.at n=18A003358
• Numbers that are the sum of at most 2 nonzero 6th powers.at n=25A004853
• a(n) = 4^n + 6^n.at n=6A074612
• Numbers that can be represented as j^6 + k^6, with 0 < j < k, in exactly one way.at n=13A088677
• Numbers n which when converted to base 3, reversed and converted back to base 10 yield a number m such that n mod m = 0. Cases which are trivial or result in digit loss are excluded.at n=9A091077
• Numbers of the form a^2 + b^3 equal to 1-almost-prime(m) + 2-almost-prime(m) + 2-almost-prime(n) + k-almost-prime(n).at n=10A113915
• A triangle of polynomial coefficients: q(x,n)=(1 - x)^(n + 1)*Sum[(2*k + n)^n*x^k, {k, 0, Infinity}]; p(x,n)=q(x,n)+x^n*q(1/x,n).at n=21A155950
• A triangle of polynomial coefficients: q(x,n)=(1 - x)^(n + 1)*Sum[(2*k + n)^n*x^k, {k, 0, Infinity}]; p(x,n)=q(x,n)+x^n*q(1/x,n).at n=27A155950
• Number of concave kites (darts or arrowheads) on an n X n grid (or geoboard).at n=11A173502
• a(n) = number of 9-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..80].at n=10A178884
• Sum of distinct nonzero sixth powers.at n=39A194769
• Numbers of the form 6^j + 8^k, for j and k >= 0.at n=40A226824
• Numbers of directed Hamiltonian paths in the n X n black bishop graph.at n=3A234632
• Irregular triangle read by rows: row n gives numbers of maximal chains of lengths n-1, n, n+1, ... in the Tamari lattice T_n.at n=39A282698
• Numbers k such that k, k+1, k+2, k+3 and k+4 are terms of A288041.at n=4A336221
• a(n) = n^6 * Sum_{p|n, p prime} 1/p^6.at n=11A351246