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

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

Author

Yasutoshi Kohmoto

Keywords

• nonn

Links

• Donovan Johnson, Table of n, a(n) for n = 1..2000

Crossrefs

Cf. A036471, A036472, A036473, A116148.

Cf. A002025, A002046 and A161005 for amicable pairs.

Cf. A125490 - A125492 and A137231 for amicable triples.

Cf. A233553 for amicable quintuples.

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