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A034055 Numbers with multiplicative digital root value 8. 14
8, 18, 24, 29, 36, 38, 42, 46, 49, 63, 64, 66, 67, 76, 77, 79, 81, 83, 88, 92, 94, 97, 99, 118, 124, 129, 136, 138, 142, 146, 149, 163, 164, 166, 167, 176, 177, 179, 181, 183, 188, 192, 194, 197, 199, 214, 219, 222, 226, 229, 233, 234, 236, 237, 241, 243, 248 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Multiplicative Digital Root

MATHEMATICA

dr8Q[n_]:=NestWhile[Times@@IntegerDigits[#]&, n, #>9&]==8; Select[ Range[ 250], dr8Q] (* From Harvey P. Dale, June 10 2011 *)

CROSSREFS

Cf. A031347.

Cf. A034048, A002275, A034049, A034050, A034051, A034052, A034053, A034054, A034055, A034056 (numbers having multiplicative digital roots 0-9).

Sequence in context: A108060 A178180 A051810 * A043101 A171607 A039278

Adjacent sequences:  A034052 A034053 A034054 * A034056 A034057 A034058

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.