A378656 Numbers that are primitive non-deficient, but not primitive Zumkeller.

748, 7544, 10184, 56816, 61904, 62416, 66928, 69488, 73616, 102416, 195316, 292604, 297908, 342225, 394144, 517024, 543968, 640096, 682592, 776096, 955424, 1047392, 1088288, 2081824, 2154584, 2227616, 3239744, 3414848, 3593792, 3839296, 3921856, 3963968, 4082368, 4114624, 4130624, 4147648, 4181696, 4280768, 4315072

Offset: 1

Author

Antti Karttunen, Dec 05 2024

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..50

Crossrefs

Sequence A006039 without any terms of A180332.

Setwise difference A378538 \ A378657.

Subsequence of A376879.

Cf. A341619, A378537.

Programs

PARI

is_A378656(n) = (A341619(n) && !A378537(n));

Formula

{k such that A341619(k) = 1 and A378537(k) = 0}.