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A292335 Numbers k such that k^2 divides 10^k + 1. 2
1, 11, 253, 11891, 35167, 45023, 96569, 640343, 1035529, 1652849, 2221087, 19588019, 30096121, 48669863, 74901409, 88023001, 89007677, 104391089, 143938531, 154261943, 308731093, 395256917, 674608561, 725434237, 920636893, 1737332531, 2620923899, 4137081047, 4183360819, 5621571197, 6765110957, 9090909091, 10411295851, 14510361371 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Subsequence of A015958.
Sequence in context: A009055 A009067 A128683 * A177912 A128405 A052782
KEYWORD
nonn
AUTHOR
Max Alekseyev, Sep 15 2017
STATUS
approved

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Last modified August 23 16:46 EDT 2024. Contains 375396 sequences. (Running on oeis4.)