A205530 Composite numbers n with k digits such that each sum of 1 to k digits of n is substring of n.

4, 6, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 300, 400, 500, 600, 700, 800, 910, 1000, 1090, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 9010, 9100, 10000, 10090, 10900, 20000, 30000, 40000, 50000, 60000, 70000, 80000, 90000, 90010, 90100, 91000

Offset: 1

Author

Jaroslav Krizek, Jan 28 2012

Keywords

• nonn
• base

Comments

Complement of A205529 with respect to A202272.

Examples

			910 is in sequence because all possible sums of digits 0, 1, 1, 9, 9, 10, 10 are substrings of 910.
		

Crossrefs

Cf. A205529, A202272.