The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A067524 Smallest composite number with digit sum n. 0
 10, 20, 12, 4, 14, 6, 16, 8, 9, 28, 38, 39, 49, 68, 69, 88, 98, 99, 289, 299, 399, 589, 689, 699, 799, 899, 999, 2899, 3899, 3999, 5899, 5999, 6999, 7999, 9899, 9999, 19999, 29999, 39999, 58999, 68999, 69999, 88999, 89999, 99999, 299899, 299999, 399999 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA With[{c={#, Total[IntegerDigits[#]]}&/@Select[Range[5*10^5], CompositeQ]}, Table[ SelectFirst[c, #[[2]]==n&], {n, 50}]][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 15 2018 *) CROSSREFS Sequence in context: A107859 A294069 A249585 * A069555 A069035 A245065 Adjacent sequences:  A067521 A067522 A067523 * A067525 A067526 A067527 KEYWORD base,easy,nonn AUTHOR Amarnath Murthy, Feb 15 2002 EXTENSIONS More terms from Sascha Kurz, Mar 28 2002 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 16 12:45 EDT 2021. Contains 343037 sequences. (Running on oeis4.)