A074898 Impossible values for sum of anti-divisors of n.

1, 6, 7, 9, 11, 15, 17, 20, 21, 25, 26, 27, 29, 31, 33, 35, 37, 38, 43, 44, 45, 47, 49, 51, 53, 59, 61, 62, 63, 65, 67, 68, 69, 71, 73, 75, 77, 79, 81, 82, 83, 85, 87, 89, 91, 93, 95, 97, 99, 100, 103, 105, 109, 111, 113, 115, 117, 119, 120, 121, 123, 125, 127, 128, 129, 131, 133, 134, 135, 137, 139, 141, 143, 145, 146, 149, 151, 153, 155, 157, 158, 159, 161, 163, 165, 167, 168, 169, 170, 171

Offset

1,2

Comments

See A066272 for definition of anti-divisor.

Links

Paolo P. Lava, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A005114, A066417.

Sequence in context: A022892 A120164 A335623 * A258153 A175221 A094010

Adjacent sequences: A074895 A074896 A074897 * A074899 A074900 A074901

Keyword

nonn

Author

Jason Earls, Sep 14 2002

Extensions

More terms from Paolo P. Lava, Jul 06 2011

Status

approved