OFFSET
1,1
COMMENTS
There are 66 terms. Each product 2*3*5*7*a(n) is a squarefree number whose prime factorization (ignoring exponents) contains exactly one of each decimal digit, so each product is a term of A058909. (The primes 2,3,5,7 are the only single-digit primes in base 10.)
LINKS
Rick L. Shepherd, Table of n, a(n) for n = 1..66 (full sequence)
MATHEMATICA
Select[Prime[Range[10000, 50000]], SequenceCount[DigitCount[#], {1, _, _, 1, _, 1, _, 1, 1, 1}]>0&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 07 2020 *)
CROSSREFS
KEYWORD
base,easy,fini,full,nonn
AUTHOR
Rick L. Shepherd, Mar 03 2008
STATUS
approved