A111380 Smallest prime whose digital sum is equal to the n-th composite number not congruent to 0 (modulo 3).

13, 17, 19, 59, 79, 389, 499, 997, 1889, 1999, 6899, 17989, 8999, 39989, 49999, 98999, 199999, 598999, 599999, 799999, 2998999, 2999999, 4999999, 9899999, 19999999, 29999999, 59999999, 189997999, 389999999, 689899999, 699899999, 998999999

Offset: 1

Author

Stefan Steinerberger, Nov 09 2005

Keywords

• nonn
• base

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..100

Crossrefs

Cf. A073867, A157695.

Extensions

Edited and extended by Robert G. Wilson v, Nov 10 2005