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#25 by Bruno Berselli at Sat Aug 12 16:22:28 EDT 2017
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#24 by Jon E. Schoenfield at Sat Aug 12 15:24:57 EDT 2017
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#23 by Jon E. Schoenfield at Sat Aug 12 15:24:52 EDT 2017
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| CROSSREFS
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Cf. A054966 Numbers that are congruent to {0, 1, 8} mod 9. A054966 Possible sums of digits of cubes. A067075 a(n) = smallest number m such that the sum of the digits of m^3 is equal to n^3. A007953 Digital sum (i.e. ., sum of digits) of n.
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| STATUS
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proposed
editing
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#22 by Jon E. Schoenfield at Sat Aug 12 14:29:47 EDT 2017
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#21 by Jon E. Schoenfield at Sat Aug 12 14:29:40 EDT 2017
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| COMMENTS
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Numbers n with property that A007953(n^3)=) = 6^3.
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| STATUS
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proposed
editing
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#20 by Seiichi Manyama at Sat Aug 12 13:44:45 EDT 2017
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#19 by Seiichi Manyama at Sat Aug 12 13:43:06 EDT 2017
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| CROSSREFS
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Cf. A054966 Numbers that are congruent to {0, 1, 8} mod 9. A054966 Possible sums of digits of cubes. A067075 a(n) = smallest number m such that the sum of the digits of m^3 is equal to n^3. A007953 Digital sum (i.e. sum of digits) of n. A159462 Numbers n with property that sod(n^3) = 5^3.
Numbers n such that sum of digits of n^3 is k^3: A107679 (k=2), A290842 (k=3), A290843 (k=4), A159462 (k=5), this sequence (k=6).
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| STATUS
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approved
editing
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#18 by Michel Marcus at Sat Aug 12 10:39:30 EDT 2017
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#17 by Joerg Arndt at Sat Aug 12 09:48:48 EDT 2017
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Discussion
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| Sat Aug 12
| 10:39
| Michel Marcus: I don't really like the xrefs, but don't know what to do
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#16 by Seiichi Manyama at Sat Aug 12 09:26:13 EDT 2017
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