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A138727 Numbers n whose hexadecimal representation is the n-th member of the alphanumeric sequence: 1A, 2A, 3B, 4B, 5B, 6B, 7B, 8B, 8B, 8B, 1B, 2B, 3A, 4A, 5A, 6A, 7A, 8A. (A notation convention of the groups in the periodic table of the elements with 18 columns). +0
4
26, 42, 59, 75, 91, 107, 123, 139, 139, 139, 27, 43, 58, 74, 90, 106, 122, 138 (list; graph; listen)
OFFSET

1,1

COMMENT

See the periodic table of the elements with 18 columns in A138723 and A138724. See A138718 for more information.

CROSSREFS

Cf. A138718, A138723, A138724.

Sequence in context: A105997 A075288 A125218 this_sequence A130771 A039458 A118367

Adjacent sequences: A138724 A138725 A138726 this_sequence A138728 A138729 A138730

KEYWORD

easy,fini,full,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Apr 16 2008

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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