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A309540 a(n) is the smallest positive number not yet in the sequence that contains exactly one even digit and exactly one odd digit from a(n-1), and no digit in a(n) is repeated. 0
10, 102, 12, 21, 120, 103, 30, 130, 104, 14, 41, 124, 123, 23, 32, 132, 125, 25, 52, 152, 126, 16, 61, 106, 105, 50, 150, 107, 70, 170, 108, 18, 81, 128, 127, 27, 72, 172, 129, 29, 92, 192, 142, 134, 34, 43, 143, 140, 109, 90, 190, 160, 136, 36, 63, 163 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The terms sorted in increasing order give A309539.

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

a(2)=102: a(2) is not 100 (since zero would be repeated), nor 101 (since 1 would be repeated).

CROSSREFS

Cf. A184992, A318700, A309390, A309539, A076654.

Sequence in context: A061107 A015498 A266283 * A039393 A199168 A297062

Adjacent sequences:  A309537 A309538 A309539 * A309541 A309542 A309543

KEYWORD

nonn,base,fini

AUTHOR

Enrique Navarrete, Aug 06 2019

STATUS

approved

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Last modified February 16 21:26 EST 2020. Contains 331975 sequences. (Running on oeis4.)