A214134 Smallest member of sociable quadruples that follow W. Borho's construction rule.

28158165, 2387776550, 88585861815, 111375706442, 1092162882824, 39436853599990, 65747483238255, 92180272746590, 96642590616495, 209709847893070, 223599822374385, 430324482433184, 535975018716375, 1107681705347175, 1210691484867410, 1356505589071269

Offset: 1

Author

Michel Marcus, Jul 05 2012

Keywords

• nonn

Links

• Table of n, a(n) for n = 1..16
• Blankenagel, Karsten; Borho, Walter; vom Stein, Axel. New amicable four-cycles. Math. Comp. 72 (2003), no. 244, 2071--2076 (electronic). MR1986823 (2004c:11006)
• Michel Marcus, Construction rule
• D. Moews, A list of currently known aliquot cycles of length greater than 2.

Crossrefs

Cf. A090615.

Extensions

b-file removed and construction rules updated by Michel Marcus, Dec 04 2014