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

1,1

Comments

Complement of A205529 with respect to A202272.

Links

Table of n, a(n) for n=1..48.

Example

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.

Sequence in context: A004716 A212372 A320726 * A100373 A211302 A123938

Adjacent sequences: A205527 A205528 A205529 * A205531 A205532 A205533

Keyword

nonn,base

Author

Jaroslav Krizek, Jan 28 2012

Status

approved