A120836 Integer parts of partial sums of p*q/(p+q), with primes p and q.

1, 2, 3, 5, 6, 8, 10, 12, 14, 16, 18, 20, 23, 25, 27, 29, 33, 35, 39, 41, 43, 45, 49, 51, 53, 58, 59, 63, 65, 68, 72, 75, 77, 81, 83, 86, 90, 92, 97, 102, 104, 107, 110, 115, 117, 120, 122, 128, 132, 134, 138, 140, 143, 148, 150, 157, 160, 162, 164, 169, 175, 177, 180

Offset: 1

Author

Reinhard Zumkeller, Jul 24 2006

Keywords

• nonn

Comments

a(n) = floor(A120833(n)/A120834(n)).

Crossrefs

Cf. A120835.