A247869 (prime(A247824(n)) + prime(n)) / (A247824(n) + n).

2, 2, 2, 2, 2, 2, 4, 3, 4, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 4, 5, 6, 5, 5, 5, 5, 6, 5, 5, 5, 5, 5, 6, 5, 5, 5, 6, 5, 5, 5, 6, 5, 5, 5, 5, 5, 5, 6, 5, 6, 5, 5, 5, 5, 5, 5, 6, 5, 5, 6, 5, 5, 5, 5

Offset: 1

Author

Reinhard Zumkeller, Sep 27 2014

Keywords

• nonn

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A247824, A000040.

Programs

Haskell

a247869 n = (a000040 (a247824 n) + a000040 n) `div` (a247824 n + n)