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Search: id:A077064
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A077064 Square-free numbers of form prime - 1. +0
4
1, 2, 6, 10, 22, 30, 42, 46, 58, 66, 70, 78, 82, 102, 106, 130, 138, 166, 178, 190, 210, 222, 226, 238, 262, 282, 310, 330, 346, 358, 366, 382, 418, 430, 438, 442, 462, 466, 478, 498, 502, 546, 562, 570, 586, 598, 606, 618, 642, 646, 658, 682, 690, 718, 742 (list; graph; listen)
OFFSET

1,2

COMMENT

A077063(a(n)) = a(n).

EXAMPLE

A005117(44)=70=2*5*7 is a term as 70=A000040(20)-1=71-1.

CROSSREFS

Cf. A006093, A005117, A000040, A077067.

Sequence in context: A034450 A112861 A140775 this_sequence A080715 A034168 A055745

Adjacent sequences: A077061 A077062 A077063 this_sequence A077065 A077066 A077067

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Oct 23 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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