144946

Appears in sequences

• a(n) = n^5-n^4-n^3-n^2-n-1.at n=11A125083
• a(n) = (9*11^n + 1)/10.at n=5A199760
• a(n) = the smallest number m such that gcd(sigma(m), pod(m)) = n where sigma(k) = the sum of the divisors of k (A000203) and pod(k) = the product of the divisors of k (A007955).at n=45A324527
• a(n) is the first nonsquarefree number k such that the n consecutive nonsquarefree numbers starting with k are in arithmetic progression.at n=7A380595