A075313 Pair the natural numbers such that the n-th pair is (k, k+prime(n)) where k is the smallest number not occurring earlier and prime(n) is the n-th prime. (1, 3), (2, 5), (4, 9), (6, 13), (7, 18), (8, 21), (10, 27), (11, 30), (12, 35), (14, 43), ... This is the sequence of the first member of every pair.

1, 2, 4, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 19, 20, 22, 23, 24, 25, 26, 28, 29, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 44, 45, 47, 48, 49, 50, 51, 52, 54, 55, 56, 57, 59, 60, 61, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74, 76, 77, 78, 79, 80, 81, 83, 84, 86, 87, 88, 89

Offset

1,2

Links

Table of n, a(n) for n=1..71.

Crossrefs

Cf. A075314, A075315, A075316.

Sequence in context: A053663 A324561 A288258 * A183858 A135673 A285667

Adjacent sequences: A075310 A075311 A075312 * A075314 A075315 A075316

Keyword

nonn

Author

Amarnath Murthy, Sep 14 2002

Extensions

More terms from David Wasserman, Jan 16 2005

Status

approved