The On-Line Encyclopedia of Integer Sequences (OEIS)

A051809 revision #1

A051809

Numbers with nonzero multiplicative digital root 7.

7, 17, 70, 71, 107, 117, 170, 171, 257, 275, 527, 572, 700, 701, 710, 711, 725, 752, 1007, 1017, 1070, 1071, 1107, 1117, 1170, 1171, 1257, 1275, 1527, 1572, 1700, 1701, 1710, 1711, 1725, 1752, 2057, 2075, 2157, 2175

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

FORMULA

A051802^-1(7)

CROSSREFS

Part of histogram of A051802

Sequence in context: A136192 A269239 A118431 * A254500 A242907 A034054

Adjacent sequences: A051806 A051807 A051808 * A051810 A051811 A051812

KEYWORD

nonn,easy,base,new

AUTHOR

Dan Hoey <Hoey@AIC.NRL.Navy.Mil>

STATUS

approved