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A205530
Composite numbers n with k digits such that each sum of 1 to k digits of n is substring of n.
1
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.
EXAMPLE
910 is in sequence because all possible sums of digits 0, 1, 1, 9, 9, 10, 10 are substrings of 910.
CROSSREFS
Sequence in context: A212372 A372308 A320726 * A100373 A211302 A123938
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Jan 28 2012
STATUS
approved