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A259943
Integers n dividing A000009(n)+1.
4
1, 2, 3, 9, 31, 169, 53281, 10984777, 12245367, 19806045
OFFSET
1,2
COMMENTS
No other terms below 10^8.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Max Alekseyev, Jul 10 2015
STATUS
approved