544897

Properties

Appears in sequences

• Numbers n such that the hexagonal number H(n) is equal to the sum of the pentagonal numbers P(m) and P(m+1) for some m.at n=6A245783
• a(n) = numerator of Sum_{k=2..A335138(n)} abs(A309229(n, k))/k.at n=32A335416
• Prime numbersat n=44942