A074729 Numbers whose sum of anti-divisors is a square.

1, 2, 6, 14, 22, 30, 89, 96, 120, 121, 169, 219, 221, 228, 253, 259, 323, 357, 397, 431, 467, 485, 554, 579, 719, 726, 739, 740, 778, 803, 841, 873, 881, 902, 923, 1004, 1014, 1028, 1262, 1313, 1331, 1527, 1568, 1734, 1790, 1822, 1862, 1903, 1926, 2045, 2063

Offset

1,2

Links

Table of n, a(n) for n=1..51.

Crossrefs

Cf. A066417, A066272 (anti-divisors).

Sequence in context: A162796 A172304 A160164 * A099901 A119846 A119844

Adjacent sequences: A074726 A074727 A074728 * A074730 A074731 A074732

Keyword

easy,nonn,changed

Author

Jason Earls, Sep 05 2002

Status

approved