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

1,1

Links

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

Formula

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

Prog

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

Crossrefs

Sequence A006039 without any terms of A180332.

Setwise difference A378538 \ A378657.

Subsequence of A376879.

Cf. A341619, A378537.

Sequence in context: A184024 A378538 A376879 * A378519 A263381 A071924

Adjacent sequences: A378653 A378654 A378655 * A378657 A378658 A378659

Keyword

nonn,new

Author

Antti Karttunen, Dec 05 2024

Status

approved