A117388, A117390
franktaw at netscape.net
franktaw at netscape.net
Thu Apr 27 18:58:12 CEST 2006
Probably the submitter (Ray G. Opao) meant to exclude numbers with zero digits, so you don't get leading zeros.
But there are still a lot of numbers missing:
31,51,71,142,162
(Not a comprehensive list, just some quick values.)
Franklin T. Adams-Watters
-----Original Message-----
From: Hans Havermann pxp at rogers.com
A117388 = A117390
%S A117388 21,121,1226,14423
%N A117388 a(n) is the smallest n-digit integer such if all numbers formed by inserting the exponentation symbol between any two digits are added, the sum is prime.
I get:
21, 100, 1000, 10066, 100000, ...
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