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%I #9 Sep 08 2022 08:45:17
%S 29,47,61,89,97,217,229,299,361,379,389,419,461,463,467,533,637,643,
%T 649,701,707,733,749,769,791,847,869,923,943,949,997,1067,1103,1169,
%U 1319,1327,1361,1439,1451,1481,1489,1493,1517,1543,1549,1579,1591,1643,1681
%N Numbers k such that the string 9876543210k is prime.
%o (Magma) [ n: n in [1..1750] | IsPrime(Seqint(Intseq(n) cat [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])) ]; // _Vincenzo Librandi_, Feb 02 2011
%Y Cf. A104800, A104913.
%K nonn,base
%O 1,1
%A _Zak Seidov_, Mar 29 2005
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