A242486 Numbers n such that A242480(x) = n has no solution.

1, 4, 10, 14, 22, 26, 34, 36, 38, 46, 48, 50, 58, 60, 62, 74, 82, 84, 86, 90, 94, 98, 106, 108, 110, 118, 122, 130, 132, 134, 142, 146, 154, 156, 158, 166, 170, 178, 182, 190, 194, 202, 206, 210, 214, 218, 226, 230, 238, 242, 250, 252, 254, 262, 266, 270, 274

Offset

1,2

Comments

A242480(n) = (n*(n+1)/2) mod n + sigma(n) mod n + antisigma(n) mod n = A142150(n) + A054024(n) + A229110(n) = (A000217(n) mod n) + (A000203(n) mod n) + (A024816(n) mod n).

All values of a(n) are even for n > 1. Complement of A242485.

Links

Table of n, a(n) for n=1..57.

Example

14 is in the sequence because there is no x whose A242480(x) = 14.

Crossrefs

Cf. A242480, A242481, A242482, A242483, A242484, A242485.

Sequence in context: A310424 A176551 A175731 * A060031 A112825 A051741

Adjacent sequences: A242483 A242484 A242485 * A242487 A242488 A242489

Keyword

nonn

Author

Jaroslav Krizek, May 27 2014

Status

approved