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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. 3
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 17 03:42 EDT 2021. Contains 347478 sequences. (Running on oeis4.)