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A336034
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The rightmost digit d of a(n) jumps over d digits to the right and is duplicated there. Lexicographically earliest sequence of distinct positive integers with this property.
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3
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1, 2, 11, 21, 3, 12, 4, 322, 5, 42, 6, 7, 251, 8, 161, 71, 9, 13, 82, 1322, 19, 22, 14, 24, 15, 49, 43, 151, 31, 41, 91, 51, 61, 81, 111, 112, 16, 23, 17, 33, 62, 53, 27, 63, 18, 73, 37, 83, 25, 831, 715, 26, 28, 35, 29, 64, 158, 34, 36, 93, 44
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OFFSET
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1,2
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COMMENTS
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No term ends in 0 as this would force the next integer to start with zero.
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LINKS
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EXAMPLE
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The rightmost digit of a(1) = 1 is 1; we duplicate this digit in position 3;
The rightmost digit of a(2) = 2 is 2; we duplicate this digit in position 5;
The rightmost digit of a(3) = 11 is 1; we duplicate this digit in position 6;
The rightmost digit of a(4) = 21 is 1; we duplicate this digit in position 8;
The rightmost digit of a(5) = 3 is 3; we duplicate this digit in position 11; etc.
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CROSSREFS
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Cf. A336035 (duplication of the leftmost digit of a(n) to the left), A336036 (first and last digits of a(n) are duplicated respectively to the left and to the right).
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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