35145

Appears in sequences

• Numbers k such that 7^k == -1 (mod k-1).at n=16A055690
• Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly three ways.at n=9A076456
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0100-0100-1111-0010-0010 pattern in any orientation.at n=14A147339
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2 + (x+84847)^2 = y^2.at n=23A201917
• Sum of the largest parts of the partitions of n into 5 parts.at n=45A308827
• Place n equally spaced points on the circumference of a circle of radius r and then connect each pair of points with straight lines whose intersections create A007569(n) - n additional points. Draw a circle of radius r around each of the A007569(n) points. The sequence gives the total number of curved edges formed from all circle intersections.at n=8A374827