A247869 - OEIS

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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

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

PROG

(Haskell)

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

CROSSREFS

Cf. A247824, A000040.

Sequence in context: A238267 A143526 A072924 * A036263 A307378 A339049

Adjacent sequences: A247866 A247867 A247868 * A247870 A247871 A247872

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Sep 27 2014

STATUS

approved