75810

Appears in sequences

• Number of pairs with two different elements which can be obtained by selecting unique elements from two sets with n+1 and n^2 elements respectively and n common elements.at n=42A085490
• a(n) = 5^n - 3^n - 2^n.at n=6A130072
• a(n) = 5^n - 3^n - 2^n.at n=7A135158
• a(n) = 5^p - 3^p - 2^p, where p = prime(n).at n=3A135173
• Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=11.at n=16A135196
• Smallest palindromic numbers of length 4 in two bases differing by n.at n=21A216843