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A018034
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Powers of cube root of 20 rounded to nearest integer.
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22
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1, 3, 7, 20, 54, 147, 400, 1086, 2947, 8000, 21715, 58945, 160000, 434307, 1178890, 3200000, 8686136, 23577802, 64000000, 173722727, 471556032, 1280000000, 3474454549, 9431120637, 25600000000, 69489090985, 188622412730, 512000000000, 1389781819697
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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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Table[Round[Surd[20, 3]^n], {n, 0, 40}] (* Harvey P. Dale, Sep 10 2021 *)
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PROG
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CROSSREFS
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Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), this sequence (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (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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