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

Author

Jaroslav Krizek, Nov 25 2011

Keywords

• nonn
• base

Comments

Complement of A056709 with respect to A011540. Subsequence of A199978 (nonprime numbers (including 0) whose multiplicative digital root is 0).

Examples

			Number 102 is in sequence because 1*0*2=0.
		

Crossrefs

Cf. A056709 (primes whose product of digits is 0), A034052 (numbers whose product of digits is 0).

Programs

Mathematica

Join[{0},Select[Range[400],CompositeQ[#]&&DigitCount[#,10,0]>0&]] (* Harvey P. Dale, Jul 27 2022 *)