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A048409 Numbers whose consecutive digits differ by 7. 1
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 18, 29, 70, 81, 92, 181, 292, 707, 818, 929, 1818, 2929, 7070, 8181, 9292, 18181, 29292, 70707, 81818, 92929, 181818, 292929, 707070, 818181, 929292, 1818181, 2929292, 7070707, 8181818, 9292929, 18181818, 29292929 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

CROSSREFS

Cf. A033075, A033088, A033081, A048407-A048410.

Sequence in context: A067043 A108690 A032944 * A066565 A095966 A180084

Adjacent sequences:  A048406 A048407 A048408 * A048410 A048411 A048412

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Apr 15 1999.

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Last modified February 15 10:56 EST 2012. Contains 205763 sequences.