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A077067 Squarefree numbers of form prime + 1. 2
3, 6, 14, 30, 38, 42, 62, 74, 102, 110, 114, 138, 158, 174, 182, 194, 230, 258, 278, 282, 314, 318, 354, 374, 390, 398, 402, 410, 422, 434, 458, 462, 510, 542, 570, 602, 614, 618, 642, 654, 662, 674, 678, 710, 734, 758, 762, 770, 798, 822, 830, 854, 858, 878 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

A077066(a(n)) = a(n).

FORMULA

a(n)=A049097(n)+1. - Zak Seidov (zakseidov(AT)yahoo.com), Aug 15 2006

EXAMPLE

A005117(28)=42=2*3*7 is a term as 42=A000040(13)+1=41+1.

CROSSREFS

Cf. A008864, A005117, A000040, A077064, A049097.

Sequence in context: A038360 A084174 A036658 * A083797 A192672 A175656

Adjacent sequences:  A077064 A077065 A077066 * A077068 A077069 A077070

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 21:27 EST 2012. Contains 205859 sequences.