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A082798 Smallest multiple of n beginning with 8. 7
8, 8, 81, 8, 80, 84, 84, 8, 81, 80, 88, 84, 806, 84, 810, 80, 85, 810, 817, 80, 84, 88, 805, 816, 800, 806, 81, 84, 87, 810, 806, 800, 825, 816, 805, 828, 814, 836, 819, 80, 82, 84, 86, 88, 810, 828, 846, 816, 833, 800, 816, 832, 848, 810, 825 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) is in {n, 2n, 3n, 4n, 5n, 6n, 7n, 8n, 9n, 11n, 12n, 13n, 14n, 15n, 16n, 17n, 18n, 21n, 22n, 23n, 24n, 25n, 26n, 27n, 31n, 32n, 33n, 34n, 35n, 36n, 41n, 42n, 43n, 44n, 45n, 51n, 52n, 53n, 54n, 61n, 62n, 63n, 71n, 72n}. [Charles R Greathouse IV, Mar 06 2011]

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

MATHEMATICA

f[n_] := Block[{m = n}, While[ First@ IntegerDigits@ m != 8, m += n]; m]; Array[f, 55] (* Robert G. Wilson v *)

PROG

(PARI) a(n)=forstep(k=n, 72*n, n, if(Vec(Str(k))[1]=="8", return(k))) \\ Charles R Greathouse IV, Mar 06 2011

(Haskell)

a082798 n = until ((== 8) . a000030) (+ n) n

-- Reinhard Zumkeller, Mar 27 2012

CROSSREFS

Cf. A082794, A082795, A082796, A082797.

Cf. A000030.

Sequence in context: A117861 A186984 A298962 * A286068 A228071 A192386

Adjacent sequences:  A082795 A082796 A082797 * A082799 A082800 A082801

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Apr 20 2003

EXTENSIONS

Corrected and extended by Sean A. Irvine, Mar 06 2011

STATUS

approved

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Last modified May 15 05:01 EDT 2021. Contains 343909 sequences. (Running on oeis4.)