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A247336
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Numbers of the form m^k - k - 1 with k > 0 and m > 1.
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0
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0, 1, 4, 6, 11, 13, 22, 23, 26, 33, 46, 57, 60, 61, 76, 78, 97, 118, 120, 121, 141, 166, 193, 212, 222, 237, 247, 251, 253, 286, 321, 339, 358, 397, 438, 481, 502, 508, 526, 573, 620, 622, 673, 722, 725, 726, 781, 838, 897, 958, 996, 1013, 1018, 1021, 1086, 1153
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OFFSET
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1,3
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COMMENTS
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Primes in a(n): 11, 13, 23, 61, 97, 193, 251, 397, 673, 1013, 1021, 1153, ...
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LINKS
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FORMULA
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EXAMPLE
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0 is in this sequence because 2^1 - 1 - 1 = 0,
1 is in this sequence because 2^2 - 2 - 1 = 1.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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