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A104044 Numbers n such that n7 is prime and n is a multiple of ten. +0
1
10, 30, 60, 90, 130, 160, 190, 220, 270, 330, 340, 360, 390, 400, 450 (list; graph; listen)
OFFSET

1,1

EXAMPLE

If t=10, then t7 = 107 (prime).

If t=220, then t7 = 2207 (prime).

If t=450, then t7 = 4507 (prime).

CROSSREFS

Sequence in context: A027183 A096844 A031299 this_sequence A124080 A034127 A005052

Adjacent sequences: A104041 A104042 A104043 this_sequence A104045 A104046 A104047

KEYWORD

base,nonn

AUTHOR

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

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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