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0, 1, 2, 4, 3, 5, 6, 12, 8, 18, 14, 24, 7, 13, 10, 20, 19, 26, 9, 16, 15, 25, 22, 28, 11, 21, 17, 27, 23, 29, 30, 60, 36, 90, 66, 120, 32, 62, 61, 96, 92, 150, 42, 91, 72, 126, 122, 180, 68, 121, 102, 156, 152, 186, 98, 151, 132, 182, 181, 192, 31, 38, 37, 67
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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This sequence is a self-inverse permutation of the nonnegative integers.
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LINKS
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Rémy Sigrist, Table of n, a(n) for n = 0..2309
Rémy Sigrist, Colored scatterplot of the first 2*3*5*7*11*13 terms (where the color is function of A276150(n))
Rémy Sigrist, PARI program for A338835
Index entries for sequences that are permutations of the natural numbers
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FORMULA
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A235224(a(n)) = A235224(n).
A276150(a(n)) = A276150(n).
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EXAMPLE
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For n = 8:
- the numbers with 3 digits and sum of digits 2 in primorial base are: 7 ("101"), 8 ("110") and 12 ("200"),
- so a(7) = 12,
a(8) = 8,
a(12) = 7.
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PROG
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(PARI) See Links section.
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CROSSREFS
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Cf. A235224, A276150, A333658, A338829 (decimal analog), A338834 (factorial base analog).
Sequence in context: A086433 A102568 A338834 * A210536 A102767 A336640
Adjacent sequences: A338832 A338833 A338834 * A338836 A338837 A338838
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KEYWORD
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nonn,base
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AUTHOR
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Rémy Sigrist, Nov 11 2020
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STATUS
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approved
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