19786

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 75.at n=18A020414
• a(n) = n^3 + prime(n).at n=26A089620
• a(n) = 60*(n^5/120 + n^4/24 + n^3/6 + n^2/2 + n + 1).at n=6A127883
• Numbers which divide their digital sumorial (see A131383).at n=7A135100
• Sum of distinct nonzero sixth powers.at n=26A194769
• Sum of the sixth powers of the parts in the partitions of n into two distinct parts.at n=5A294301
• Sum of distinct products i*j with 1 <= i, j <= n.at n=19A321165
• Number of coalescent histories for matching gene trees and species trees with n leaves and a 5-leaf seed tree.at n=6A355044