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A131700 Sum of all n-digit Cullen numbers. +0
1
13, 90, 1443, 6658, 81923, 827395, 17956868, 157286403, 1434451971, 12884901891 (list; graph; listen)
OFFSET

1,1

LINKS

E.W. Weisstein,Cullen Number

EXAMPLE

Sum of all 1-digit Cullen numbers is 13.

Sum of all 2-digit Cullen numbers is 90.

Sum of all 3-digit Cullen numbers is 1443.

CROSSREFS

Cf. A002064.

Adjacent sequences: A131697 A131698 A131699 this_sequence A131701 A131702 A131703

Sequence in context: A082099 A026912 A057788 this_sequence A139613 A008505 A008495

KEYWORD

nonn,base

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 15 2007

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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