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A069028
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Powers of 3 with strictly increasing sum of digits.
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8
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1, 3, 9, 729, 19683, 4782969, 94143178827, 847288609443, 7625597484987, 16677181699666569, 328256967394537077627, 26588814358957503287787, 717897987691852588770249, 381520424476945831628649898809
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Charles R Greathouse IV, Table of n, a(n) for n = 1..167
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PROG
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(PARI) print1(r=t=1); for(n=1, 99, s=sumdigits(t*=3); if(s>r, r=s; print1(", "t))) \\ Charles R Greathouse IV, Aug 05 2015
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CROSSREFS
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Cf. A069027.
Sequence in context: A260551 A137036 A088031 * A318246 A137043 A112726
Adjacent sequences: A069025 A069026 A069027 * A069029 A069030 A069031
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KEYWORD
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nonn,base
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AUTHOR
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Amarnath Murthy, Apr 02 2002
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Jun 26 2002
a(11)-a(14) from Charles R Greathouse IV, Aug 05 2015
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STATUS
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approved
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