A119478 Smallest member of sociable sextuples.

21548919483, 90632826380, 1771417411016, 3524434872392, 4773123705616

Offset

1,1

Comments

a(1)-a(2) were found by Moews and Moews in 1992 and 1995, respectively. a(3)-a(5) were found by Andre Needham in 2006 (see Pedersen link). - Amiram Eldar, Mar 24 2024

Links

Table of n, a(n) for n=1..5.

David Moews and Paul C. Moews, A search for aliquot cycles and amicable pairs, Mathematics of computation, Vol. 61, No. 204 (1993), pp. 935-938.

David Moews, A list of currently known aliquot cycles of length greater than 2.

Jan Munch Pedersen, Known Sociable Numbers of order different from four, Tables of Aliquot Cycles.

Jan Munch Pedersen, Sociable number of order 6, Tables of Aliquot Cycles.

Eric Weisstein's World of Mathematics, Sociable Numbers.

Wikipedia, Sociable number.

Crossrefs

Cf. A090615.

Sequence in context: A034656 A233478 A216016 * A337914 A101816 A186910

Adjacent sequences: A119475 A119476 A119477 * A119479 A119480 A119481

Keyword

nonn,more

Author

Eric W. Weisstein, May 22 2006

Extensions

a(4)-a(5) from Donovan Johnson, Sep 03 2008

Status

approved