A166496 - OEIS

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A166496

Prime plus the next composite.

6, 7, 11, 15, 23, 27, 35, 39, 47, 59, 63, 75, 83, 87, 95, 107, 119, 123, 135, 143, 147, 159, 167, 179, 195, 203, 207, 215, 219, 227, 255, 263, 275, 279, 299, 303, 315, 327, 335, 347, 359, 363, 383, 387, 395, 399, 423, 447, 455, 459, 467, 479, 483, 503, 515, 527

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

OFFSET

1,1

COMMENTS

Differs from A072055 in the first term.

LINKS

Table of n, a(n) for n=1..56.

FORMULA

a(n)=prime(n)+smallest composite > prime(n).

EXAMPLE

a(1)=2+4=6,

a(2)=3+4=7,