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A151784
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a(n) = 6^(wt(n) - 1) where wt(n) = A000120(n).
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2
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1, 1, 6, 1, 6, 6, 36, 1, 6, 6, 36, 6, 36, 36, 216, 1, 6, 6, 36, 6, 36, 36, 216, 6, 36, 36, 216, 36, 216, 216, 1296, 1, 6, 6, 36, 6, 36, 36, 216, 6, 36, 36, 216, 36, 216, 216, 1296, 6, 36, 36, 216, 36, 216, 216, 1296, 36, 216, 216, 1296, 216, 1296, 1296, 7776, 1, 6, 6, 36, 6, 36, 36
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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EXAMPLE
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If written as a triangle:
1;
1,6;
1,6,6,36;
1,6,6,36,6,36,36,216;
1,6,6,36,6,36,36,216,6,36,36,216,36,216,216,1296;
1,6,6,36,6,36,36,216,6,36,36,216,36,216,216,1296,6,36,36,216,36,216,216,...
(End)
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PROG
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(Python 3.10+)
(PARI) a(n) = 6^(hammingweight(n)-1); \\ Michel Marcus, Nov 15 2022
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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