66340

Appears in sequences

• Sums of 4 distinct powers of 9.at n=12A038489
• a(n) = Sum_{d divides n} d^(n/d + 1).at n=26A078308
• Diagonal in array of n-gonal numbers A081422.at n=39A081438
• Table T(d,n) of smallest k>1 such that binomial(k*n-1,n-1) == 1 (mod n^d), read by antidiagonals.at n=60A242166
• Smallest positive multiple of n whose base 9 representation contains only 0's and 1's.at n=30A244960
• L.g.f.: log(Product_{k>=1} (1 + k*x^k)) = Sum_{n>=1} a(n)*x^n/n.at n=26A300786
• Numbers that are the sum of six fourth powers in six or more ways.at n=36A345563
• Numbers that are the sum of six fourth powers in exactly six ways.at n=26A345818
• Numbers of the form a+b+c = a^3 - b^3 - c^3 where a > b >= c > 0.at n=17A355491