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A076289 Numbers of the form (10^{mr}-1)/(10^r-1) for positive integers m, r. +0
2
1, 11, 101, 111, 1001, 1111, 10001, 10101, 11111, 100001, 111111, 1000001, 1001001, 1010101, 1111111, 10000001, 11111111, 100000001, 100010001, 101010101, 111111111, 1000000001, 1001001001, 1111111111, 10000000001, 10000100001, 10101010101, 11111111111 (list; graph; listen)
OFFSET

1,2

REFERENCES

T. Chinburg and M. Henriksen, Sums of k-th powers in the ring of polynomials with integer coefficients, Acta Arithmetica, 29 (1976), 227-250.

CROSSREFS

Sequence in context: A072001 A099821 A057148 this_sequence A117697 A091366 A073064

Adjacent sequences: A076286 A076287 A076288 this_sequence A076290 A076291 A076292

KEYWORD

nonn

AUTHOR

njas, Nov 06 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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