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A018002
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Powers of cube root of 9 rounded up.
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21
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1, 3, 5, 9, 19, 39, 81, 169, 351, 729, 1517, 3155, 6561, 13648, 28388, 59049, 122827, 255491, 531441, 1105442, 2299412, 4782969, 9948977, 20694705, 43046721, 89540788, 186252345, 387420489, 805867092, 1676271102, 3486784401, 7252803827, 15086439913, 31381059609
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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PROG
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CROSSREFS
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Cf. powers of cube root of k ceiling up: A017981 (k=2), A017984 (k=3), A017987 (k=4), A017990 (k=5), A017993 (k=6), A017996 (k=7), this sequence (k=9), A018005 (k=10), A018008 (k=11), A018011 (k=12), A018014 (k=13), A018017 (k=14), A018020 (k=15), A018023 (k=16), A018026 (k=17), A018029 (k=18), A018032 (k=19), A018035 (k=20), A018038 (k=21), A018041 (k=22), A018044 (k=23), A018047 (k=24).
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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