2882401

Appears in sequences

• a(n) = (7^n+1)/2.at n=8A034494
• Zsigmondy numbers for a = 7, b = 1: Zs(n, 7, 1) is the greatest divisor of 7^n - 1^n (A024075) that is relatively prime to 7^m - 1^m for all positive integers m < n.at n=15A064083
• Sequence demonstrating the Pythagorean theorem.at n=4A120694
• a(n) = C(3,n) DELTA C(0,n).at n=45A147724
• a(n) = ((2*n+1)^4+1)/2.at n=24A175110
• Number of compositions of even natural numbers into 8 parts <= n.at n=6A191495
• Numbers z such that x^2 + y^8 = z^2 (with positive integers x and y) and gcd(x, y, z) = 1.at n=11A293695
• a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 7.at n=24A297180
• a(n) = ((2*n+1)^8 + 1)/2.at n=3A359844