6193440

Appears in sequences

• Square root of floor[A055859(n)/7].at n=20A204517
• Triangular numbers that are the product of 4 distinct triangular numbers greater than 1.at n=23A226501
• Denominators of the continued fraction convergents to sqrt(7)/2.at n=11A294973
• a(n) is the smallest hexagonal number for which the symmetric representation of sigma(n) has width 2*n, n >= 0, at the diagonal.at n=13A350712