49001

Appears in sequences

• Real part of (1 + n*i)^5.at n=10A121671
• a(n) = ((1 + 7*sqrt(2))^n + (1 - 7*sqrt(2))^n)/2.at n=5A125820
• Positive numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers and y>x).at n=25A135792
• Numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers).at n=35A135793
• a(n) = 40*n^2 + 1.at n=35A158602
• Numbers that can be written in more than 1 way as p^2 + 3pq + q^2 with primes p < q.at n=22A218795
• Number of parts in all thrice partitions of n into distinct parts.at n=15A327628
• Place n equally spaced points around the circumference of a circle and then, for each pair of points, draw two distinct circles, whose radii are the same as the first circle, such that both points lie on their circumferences. The sequence gives the total number of regions formed.at n=24A371374