

A141818


"Early bird" prime numbers: write the natural numbers in a string 12345678910111213.... Sequence gives prime numbers which occur in the string ahead of their natural place.


0



23, 31, 41, 43, 53, 61, 67, 71, 73, 83, 89, 97, 101, 131, 151, 181, 191, 211, 223, 241, 251, 263, 271, 281, 311, 313, 317, 331, 353, 401, 419, 421, 431, 433, 461, 463, 491, 503
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

"23" appears in 1"23"4567..., ahead of its position after "22", so is a member.


CROSSREFS



KEYWORD

easy,nonn,base


AUTHOR



STATUS

approved



