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 A104820 Primes with distinct digits appearing in partition of decimal expansion of Pi. 3

%I

%S 53,5897,643,1693,5,815209,29,13,857,2,983,367,3,9463,2473,7,71,7481,

%T 8467,560827,7,7,409,24953,7,631859,2,526193,31,8753,17,17,857,61,89,

%U 9721,7,415069,59,53,31,983,8175463,71,601,5,9467,7,31,367,70289,47,19

%N Primes with distinct digits appearing in partition of decimal expansion of Pi.

%C Start with decimal expansion of pi: 3,1,4,1,5,9,2,6,5,3,5,8,9,7,9,3,2,3,8,4,6,2,6,4,3... Part the sequence to the sections with distinct digits: s={3,1,4},{1,5,9,2,6},{5,3},{5,8,9,7},{9,3,2},{3,8,4,6,2},{6,4,3},... Then A104820(n) = prime number from digits of s(m): 53,5897,643,...

%Y Cf. A104807, A104819.

%K nonn,base

%O 1,1

%A _Zak Seidov_, Mar 27 2005

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