A104045 Numbers n such that n9 is prime and n is a multiple of ten.

10, 40, 50, 70, 80, 100, 110, 140, 160, 170, 230, 260, 290, 310, 320, 370, 440, 490, 500, 520, 530, 670, 710, 730, 800, 820, 860, 910, 920, 1000, 1070, 1090, 1190, 1210, 1240, 1280, 1300, 1310, 1330, 1370, 1400, 1580, 1720, 1750, 1760, 1790, 1900, 1930, 1960, 1970, 2050, 2080, 2210

Offset

1,1

Links

Table of n, a(n) for n=1..53.

Example

If t=10, then t9 = 109 (prime).
If t=160, then t9 = 1609 (prime).
If t=320, then t9 = 3209 (prime).

Crossrefs

Cf. A102700.

Sequence in context: A197705 A306413 A187205 * A102546 A352777 A108777

Adjacent sequences: A104042 A104043 A104044 * A104046 A104047 A104048

Keyword

base,nonn

Author

Parthasarathy Nambi, Mar 01 2005

Status

approved