The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A201014 Composite numbers (include 0) whose product of digits is 0. 0
 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 102, 104, 105, 106, 108, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 220, 230, 240, 250, 260, 270, 280, 290, 300, 301, 302, 303, 304, 305, 306, 308, 309, 310, 320 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Complement of A056709 with respect to A011540. Subsequence of A199978 (nonprime numbers (including 0) whose multiplicative digital root is 0). LINKS Table of n, a(n) for n=1..55. EXAMPLE Number 102 is in sequence because 1*0*2=0. MATHEMATICA Join[{0}, Select[Range[400], CompositeQ[#]&&DigitCount[#, 10, 0]>0&]] (* Harvey P. Dale, Jul 27 2022 *) CROSSREFS Cf. A056709 (primes whose product of digits is 0), A034052 (numbers whose product of digits is 0). Sequence in context: A330562 A328783 A342855 * A096092 A109597 A194233 Adjacent sequences: A201011 A201012 A201013 * A201015 A201016 A201017 KEYWORD nonn,base AUTHOR Jaroslav Krizek, Nov 25 2011 STATUS approved

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

Last modified July 13 04:46 EDT 2024. Contains 374267 sequences. (Running on oeis4.)