A231369 Numbers n such that antisigma(x) = n has no solution, where antisigma(m) = A024816(m) = the sum of the nondivisors of m that are between 1 and m.

1, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75

Offset

1,2

Comments

Complement of A231368.

Numbers n such that A231367(n) = A231366(n) = 0.

Links

Table of n, a(n) for n=1..66.

Crossrefs

Cf.: A007369 (numbers n such that sigma(x) = n has no solution), A024816, A231365, A231366, A231367, A231368.

Sequence in context: A099070 A288658 A065342 * A251392 A076597 A301592

Adjacent sequences: A231366 A231367 A231368 * A231370 A231371 A231372

Keyword

nonn

Author

Jaroslav Krizek, Nov 09 2013

Status

approved