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Search: id:A050678
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A050678 First occurrence of n in A050678. +0
2
1, 2, 5, 8, 9, 15, 17, 30, 26, 18 (list; graph; listen)
OFFSET

1,2

REFERENCES

M. Fleuren, Smarandache Factors and Reverse Factors, Smarandache Notions Journal, 10 (No. 1-2-3, Spring 1999), 5-38.

LINKS

P. De Geest, Reversed Smarandache Concatenated Numbers, Prime factors from n down to 1

M. L. Perez et al., eds., Smarandache Notions Journal

C. Rivera, Primes by Listing

M. Fleuren, Factors and primes of Smarandache sequences.

M. Fleuren, Smarandache Factors and Reverse factors

CROSSREFS

Cf. A000422, A050676, A050677.

Sequence in context: A045928 A032684 A026448 this_sequence A088620 A068702 A083724

Adjacent sequences: A050675 A050676 A050677 this_sequence A050679 A050680 A050681

KEYWORD

nonn,base,hard

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1999.

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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