A156673 a(1)=0, a(n+1) is the smallest nonprime with sum of digits > sum of digits of a(n).

0, 1, 4, 6, 8, 9, 28, 38, 39, 49, 68, 69, 88, 98, 99, 289, 299, 399, 589, 689, 699, 799, 899, 999, 2899, 3899, 3999, 5899, 5999, 6999, 7999, 9899, 9999, 19999, 29999, 39999, 58999, 68999, 69999, 88999, 89999, 99999, 299899, 299999, 399999, 499999, 689999

Offset

1,3

Links

Table of n, a(n) for n=1..47.

Example

0, 1(1>0), 4(4>1), 6(6>4), 8(8>6), 9(9>8), 28(2+8>9), 38(3+8>2+8), 39(3+9>3+8), etc.

Crossrefs

Cf. A067954.

Sequence in context: A066307 A287198 A099071 * A073866 A372408 A202260

Adjacent sequences: A156670 A156671 A156672 * A156674 A156675 A156676

Keyword

nonn,base

Author

Juri-Stepan Gerasimov, Feb 13 2009

Extensions

Extended by Charles R Greathouse IV, Mar 25 2010

Status

approved