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A104045 Numbers n such that n9 is prime and n is a multiple of ten. 0
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 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

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: A189947 A197705 A187205 * A102546 A108777 A000132

Adjacent sequences:  A104042 A104043 A104044 * A104046 A104047 A104048

KEYWORD

base,nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Mar 01 2005

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.