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A177137 a(n) is the largest n-digit bemirp (A048895). 1

%I #18 Jul 01 2021 19:32:12

%S 1901,19001,198901,1909081,19986091,199800091,1999880101,19999919011,

%T 199999069901,1999998661891,19999999196861,199999990066801,

%U 1999999999899101,19999999999898161,199999999998806191,1999999999999988911,19999999999998191191,199999999999986661691

%N a(n) is the largest n-digit bemirp (A048895).

%e a(7) = 1909081 is the last among 7-digit emirp pairs (1909081, 1809091) which rotated through 180 degrees forms another emirp pair (1806061, 1606081).

%Y Cf. A048895, A177136.

%K nonn,base

%O 4,1

%A _Lekraj Beedassy_, May 03 2010

%E More terms from _Giovanni Resta_, Aug 14 2019

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)