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

Offset: 1

Author

Zak Seidov, Oct 15 2009

Keywords

• nonn

Comments

Differs from A072055 in the first term.

Examples

			a(1)=2+4=6,
a(2)=3+4=7,
a(3)=5+6=11.
		

Crossrefs

Cf. A072055.

Programs

Mathematica

Prepend[2*Prime[Range[2,100]]+1,6]

Formula

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