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A036474 Amicable quadruples: the numbers d referred to in A036471. 16

%I #20 Apr 19 2016 01:07:31

%S 3834000,4240800,5089392,5666760,6939360,7142100,7932240,8076960,

%T 7976160,8122464,7738080,7738920,8136240,8136240,9121680,9312480,

%U 9368520,9143820,10159800,10260180,10403820,10455984,11179980,10473120,10930320,10794960

%N Amicable quadruples: the numbers d referred to in A036471.

%H Donovan Johnson, <a href="/A036474/b036474.txt">Table of n, a(n) for n = 1..2000</a>

%Y Cf. A036471, A036472, A036473, A116148.

%Y Cf. A002025, A002046 and A161005 for amicable pairs.

%Y Cf. A125490 - A125492 and A137231 for amicable triples.

%Y Cf. A233553 for amicable quintuples.

%K nonn

%O 1,1

%A _Yasutoshi Kohmoto_

%E The present first term was found by _Dean Hickerson_, Nov 06 2006.

%E That this is the first term was confirmed by _Giovanni Resta_, Nov 14 2006, who also found a(2)-a(18).

%E Edited by _N. J. A. Sloane_, Nov 07 2006 and Nov 27 2006

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Last modified March 28 16:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)