A199190 - OEIS

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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.

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

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OFFSET

1,2

COMMENTS

Equivalent to A199124, but contains the same information in more condensed form.

LINKS

Table of n, a(n) for n=1..29.

PROG

(PARI) a(n)=A199124(n)-10^(n-1)

CROSSREFS

Cf. A051885.

Sequence in context: A328233 A031161 A031882 * A075982 A100839 A013624

Adjacent sequences: A199187 A199188 A199189 * A199191 A199192 A199193

KEYWORD

nonn,base

AUTHOR

M. F. Hasler, Nov 03 2011

STATUS

approved