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A034837
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Numbers that are divisible by first digit.
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8
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 24, 26, 28, 30, 33, 36, 39, 40, 44, 48, 50, 55, 60, 66, 70, 77, 80, 88, 90, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
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FORMULA
| a(n) mod A000030(a(n)) = 0. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 20 2003
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PROG
| (Haskell)
import Data.Char (digitToInt)
a034837 n = a034837_list !! (n-1)
a034837_list = filter (\i -> i `mod` (a000030 i) == 0) [1..]
-- Reinhard Zumkeller, Jun 19 2011
(PARI) for(n=1, 1000, n%(Vecsmall(Str(n))[1]-48)|print1(n", ")) \\ - M. F. Hasler, Jun 19 2011
(PARI) a(n)=for(k=1, 1e9, k%(Vecsmall(Str(k))[1]-48)|n--|return(k)) \\ - M. F. Hasler, Jun 19 2011
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CROSSREFS
| Sequence in context: A135579 A138234 A032520 * A096105 A178157 A175782
Adjacent sequences: A034834 A034835 A034836 * A034838 A034839 A034840
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KEYWORD
| nonn,base,nice
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AUTHOR
| Erich Friedman (erich.friedman(AT)stetson.edu)
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