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Search: id:A127732
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A127732 Primes of the form k# + (k+1)#,..,+(k+x)#+ 61; where k#,(k+1)#,(k+x)# are primorials numbers, members of A002110. +0
1
67, 97, 307, 2617, 32647, 543157, 10242847, 233335717, 6703028947, 7628001653887, 311878265181097, 565918396036931688582304087, 24039065352401162580869899907532787 (list; graph; listen)
OFFSET

1,1

FORMULA

Prime(a)=A002110(n)+A002110(n+1)+...A002110(n+x) +61

EXAMPLE

67 = A002110(3) + 61 = 6 + 61; 97 = A002110(3) + A002110(4) + 61 = 6 + 30 + 61; 307 = A002110(3) + A002110(4) + A002110(5) + 61 = 6 + 30 + 210 + 61; 2617 = A002110(3) + A002110(4) + A002110(5) + A002110(6) + 61 = 6 + 30 + 210 + 2310 + 61; 32647 = A002110(3) + A002110(4) + A002110(5) + A002110(6) + A002110(7) + 61 = 6 + 30 + 210 + 2310 + 30030 + 61;...

CROSSREFS

Cf. A125191; A002110.

Sequence in context: A119893 A130059 A039539 this_sequence A071958 A128197 A140541

Adjacent sequences: A127729 A127730 A127731 this_sequence A127733 A127734 A127735

KEYWORD

nonn

AUTHOR

Tomas Xordan (xordan.tom(AT)gmail.com), Apr 03 2007

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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