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A059754 Smallest term in any sequence of n consecutive Smith numbers (A006753). +0
1
4, 728, 73615, 4463535, 15966114, 2050918644 (list; graph; listen)
OFFSET

1,1

COMMENT

No example of 6 consecutive Smith numbers is Known. Up to 4*10^8, only 6 sets of 5 consecutive Smith numbers are known.

REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, Section B49.

Samuel Yates, Smith Numbers Congruent to 4 (Mod 9), Journal of Recreational Mathematics, Vol. 19(2), 1987.

LINKS

C. Rivera, Source

EXAMPLE

The third number is 73615 since 73615, 73616, 73617 is the first example of 3 consecutive Smith numbers.

CROSSREFS

Cf. A006753.

Adjacent sequences: A059751 A059752 A059753 this_sequence A059755 A059756 A059757

Sequence in context: A091288 A046348 A114765 this_sequence A134579 A090588 A053986

KEYWORD

hard,nonn,base

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 11 2001

EXTENSIONS

a(6) from Carlos Rivera (crivera(AT)primepuzzles.net), Dec 19 2003

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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