139755

Appears in sequences

• Triangle of 3-restricted Stirling numbers of the first kind (T(n,k), 0 <= k <= n), read by rows.at n=47A144633
• Triangle of 3-restricted Stirling numbers of the first kind (T(n,k), 1 <= k <= n), read by rows.at n=37A144634
• Column 2 of triangle in A144633.at n=9A144637
• Numbers with exactly 4 distinct odd prime divisors {3,5,7,11}.at n=21A147577
• Nonpalindromic positive integers k such that the absolute value of k^2 - reverse(k)^2 is a square.at n=17A256515
• Numbers whose prime factors counted with multiplicity satisfy: (maximum) - (minimum) = (mean).at n=38A362268