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A036474
Amicable quadruples: the numbers d referred to in A036471.
16
3834000, 4240800, 5089392, 5666760, 6939360, 7142100, 7932240, 8076960, 7976160, 8122464, 7738080, 7738920, 8136240, 8136240, 9121680, 9312480, 9368520, 9143820, 10159800, 10260180, 10403820, 10455984, 11179980, 10473120, 10930320, 10794960
OFFSET
1,1
LINKS
CROSSREFS
Cf. A002025, A002046 and A161005 for amicable pairs.
Cf. A125490 - A125492 and A137231 for amicable triples.
Cf. A233553 for amicable quintuples.
Sequence in context: A253876 A253542 A210266 * A344904 A344921 A204812
KEYWORD
nonn
EXTENSIONS
The present first term was found by Dean Hickerson, Nov 06 2006.
That this is the first term was confirmed by Giovanni Resta, Nov 14 2006, who also found a(2)-a(18).
Edited by N. J. A. Sloane, Nov 07 2006 and Nov 27 2006
STATUS
approved