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A107623 Primes plus alternately 3 and 2. 1
5, 5, 8, 9, 14, 15, 20, 21, 26, 31, 34, 39, 44, 45, 50, 55, 62, 63, 70, 73, 76, 81, 86, 91, 100, 103, 106, 109, 112, 115, 130, 133, 140, 141, 152, 153, 160, 165, 170, 175, 182, 183, 194, 195, 200, 201, 214, 225, 230, 231, 236, 241, 244, 253, 260, 265, 272, 273 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..58.

FORMULA

A107623(n) = prime(n) + (2 + mod(n, 2)).

MATHEMATICA

A107623[n_]:= Prime[n] + (2 + Mod[n, 2])

CROSSREFS

Cf. A107620, A107621, 107622.

Sequence in context: A217169 A141538 A003861 * A218333 A212533 A081287

Adjacent sequences:  A107620 A107621 A107622 * A107624 A107625 A107626

KEYWORD

easy,nonn

AUTHOR

Zak Seidov, May 18 2005

STATUS

approved

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Last modified October 14 03:58 EDT 2019. Contains 327995 sequences. (Running on oeis4.)