A378519 Numbers which can be written in precisely one way as sum of a subset of their proper divisors but are not Zumkeller numbers, i.e., have no subsets of their divisors such that the complement has the same sum.

748, 7544, 10184, 61904, 66928

Offset

1,1

Comments

Question: Is this a subsequence of A376879?

Links

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

Crossrefs

Intersection of A064771 and A083210.

Positions of 108's in A378604.

Cf. A376879.

Sequence in context: A378538 A376879 A378656 * A263381 A071924 A078549

Adjacent sequences: A378516 A378517 A378518 * A378520 A378521 A378522

Keyword

nonn,more,new

Author

Antti Karttunen, Dec 01 2024

Status

approved