

A155774


Prime indices of primes with digits in strictly increasing order.


0



7, 17, 19, 31, 37, 41, 73, 487, 619, 1487, 1489, 1597, 11699, 29629, 95443, 111119
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OFFSET

1,1


LINKS



FORMULA



EXAMPLE

If prime=n=7 and prime(7)=17, then 1<7 and 7=a(1). If prime=n=17 and prime(17)=59, then 5<9 and 17=a(2). If prime=n=19 and prime(19)=67, then 6<7 and 19=a(3), etc.


CROSSREFS



KEYWORD

nonn,base,fini,full


AUTHOR



EXTENSIONS

Corrected with better definition from Omar E. Pol, Jan 31 2009


STATUS

approved



