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
Links
- Chai Wah Wu, Table of n, a(n) for n = 1..100
Extensions
Edited and extended by Robert G. Wilson v, Nov 10 2005
Comments