A201014 Composite numbers (include 0) whose product of digits is 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

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