44702

Appears in sequences

• A generalized partition function.at n=19A002601
• Numbers k such that 199*2^k+1 is prime.at n=9A032476
• Numbers that, when expressed in base 3 and then interpreted in base 10, yield a multiple of the original number.at n=36A032537
• a(n) = 49*n^2 - 78*n + 31.at n=30A157368
• Generating primitive Pythagorean triangles by using (n, n+1) gives perimeters for each n. This sequence lists the sum of these perimeters for each n triangles.at n=30A193068
• Numbers n such that n = x + y, sigma_1(n) = sigma_1(x) + sigma_1(y) and sigma_2(n) = sigma_2(x) + sigma_2(y).at n=28A219033
• a(n) = floor(log_10(1/error(n))), where error(n) is the error in the n-th iteration of the quartic Borwein-Borwein algorithm for computing 1/Pi.at n=6A276780