314925

Appears in sequences

• a(n) = A028321(n)/2.at n=46A051473
• Numbers k such that the sum of the distinct prime divisors of k equals three times the largest prime divisor of k.at n=25A200090
• a(n) = (1/n) * Sum_{d|n} moebius(n/d) * Lucas(d)^(d-1), where Lucas(n) = A000032(n).at n=5A203800
• Antidiagonal sums of the convolution array A213561.at n=16A213563
• Records in A268642.at n=37A268529