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A199190
Least integer having a larger digital sum than the previous term and such that 10^(n-1) + a(n) is a prime.
2
1, 3, 7, 9, 37, 49, 99, 379, 399, 787, 799, 1989, 1999, 3999, 6997, 17899, 18999, 38989, 67999, 79899, 79999, 389899, 499989, 798979, 897999, 989899, 2999997, 2899999, 4998999
OFFSET
1,2
COMMENTS
Equivalent to A199124, but contains the same information in more condensed form.
PROG
(PARI) a(n)=A199124(n)-10^(n-1)
CROSSREFS
Cf. A051885.
Sequence in context: A328233 A031161 A031882 * A075982 A100839 A013624
KEYWORD
nonn,base
AUTHOR
M. F. Hasler, Nov 03 2011
STATUS
approved