A104153 Numbers n such that n99 is prime and n is a multiple of ten.

20, 40, 50, 100, 130, 170, 230, 260, 280, 320, 350, 400, 460, 560, 580, 610, 620, 650, 680, 700, 740, 760, 910, 940, 1030, 1070, 1150, 1160, 1190, 1220, 1280, 1300, 1360, 1420, 1460, 1490, 1660, 1670, 1700, 1730, 1790, 1820, 1850, 1910, 2020, 2080, 2120, 2230, 2260, 2350, 2380, 2470, 2480

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[10*Range[250], PrimeQ[FromDigits[Join[IntegerDigits[#], {9, 9}]]]&] (* Harvey P. Dale, Jan 06 2013 *)

Crossrefs

Cf. A102703.

Sequence in context: A235289 A296764 A046794 * A049057 A065607 A008602

Adjacent sequences: A104150 A104151 A104152 * A104154 A104155 A104156

Keyword

base,nonn

Author

Parthasarathy Nambi, Mar 08 2005

Status

approved