

A227823


Numbers n with property that each sum of any ksubsequence of digits of n with k>=2 is prime.


3



11, 12, 14, 16, 20, 21, 23, 25, 29, 30, 32, 34, 38, 41, 43, 47, 49, 50, 52, 56, 58, 61, 65, 67, 70, 74, 76, 83, 85, 89, 92, 94, 98, 111, 203, 205, 230, 250, 302, 320, 502, 520
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OFFSET

1,1


COMMENTS

111 is the only number > 100 with all nonzero digits.


LINKS



EXAMPLE

203 is in the sequence because 2+0=2, 2+3=5, 0+3=3, 2+0+3=5 and 2,3,5 are all prime.


CROSSREFS



KEYWORD

nonn,base,fini,full,easy


AUTHOR



STATUS

approved



