40540

Appears in sequences

• Denominators of continued fraction convergents to sqrt(851).at n=9A042643
• a(n) = A128020(n)/n.at n=19A128021
• Self-convolution cube of A073711.at n=27A194279
• a(n) is the smallest number k such that sigma(k) - 2k = 2^n.at n=11A292558