1176490

Appears in sequences

• Numbers of form 7^i*10^j, with i, j >= 0.at n=29A025632
• a(0) = 1; a(n) = n^(n-1)(3n-1)/2 (n>0).at n=7A081918
• The work performed by a partial function f:{1,...,n}->{1,...,n} is defined to be work(f)=sum(|i-f(i)|,i in dom(f)); a(n) is equal to sum(work(f)) where the sum is over all partial functions f:{1,...,n}->{1,...,n}.at n=5A111873
• Larger of pairs (m, n), such that the difference of their squares is a cube and the difference of their cubes is a square.at n=15A261328
• Numbers that are the concatenation of a square and a cube, and also the concatenation of a cube and a square.at n=30A363835
• Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = -3.at n=16A380923