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A152626 Decimal digits of amicable pairs (x,y) with x > y, ordered by x. 1

%I #5 Mar 31 2012 14:00:55

%S 2,8,4,2,2,0,1,2,1,0,1,1,8,4,2,9,2,4,2,6,2,0,5,5,6,4,5,0,2,0,6,3,6,8,

%T 6,2,3,2,1,0,8,5,6,1,0,7,4,4,1,4,5,9,5,1,2,2,8,5,1,8,4,1,6,1,7,2,9,6,

%U 6,6,9,9,2,6,6,9,2,8,7,1,1,4,5,6,7,0,9,5,7,6,0,8,4,6,3,0,2,0,8,7,6,3,3

%N Decimal digits of amicable pairs (x,y) with x > y, ordered by x.

%C Amicable numbers = 284 & 220, 1210 & 1184, 2924 & 2620, 5564 & 5020, 6368 & 6232, 10856 & 10744, 14595 & 12285, 18416 & 17296, 66992 & 66928, 711145 & 67095, 76084 & 63020, 87633 & 69615, 88730 & 79750, 123152 & 122265, 124155 & 100485,..

%e (284>220, 1210>1184, 2924>2620,..) becomes (2, 8, 4, 2, 2, 0, 1, 2, 1, 0, 1, 1, 8, 4, 2, 9, 2, 4, 2, 6, 2, 0,..).

%Y Cf. A002025, A002046, A063990.

%K nonn,base,less

%O 1,1

%A _Juri-Stepan Gerasimov_, Dec 10 2008

%E Edited and corrected by _D. S. McNeil_, Nov 26 2010

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)