A378657 Numbers that are primitive Zumkeller, but not primitive non-deficient.

8228, 12716, 17204, 21692, 23188, 27676, 30668, 32164, 35156, 39644, 44132, 45628, 50116, 53108, 54604, 59092, 62084, 66572, 72556, 75548, 77044, 80036, 81532, 84524, 94996, 97988, 102476, 103972, 111452, 112948, 117436, 121924, 124916, 129404, 133892, 135388, 142868, 144364, 147356, 148852, 157828, 166804, 169796

Offset

1,1

Links

Antti Karttunen, Table of n, a(n) for n = 1..75

Formula

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

Prog

(PARI) is_A378657(n) = (A378537(n) && !A341619(n));

Crossrefs

Sequence A180332 without any terms of A006039.

Setwise difference A378538 \ A378656.

Sequence in context: A031844 A210008 A168632 * A374694 A230043 A045056

Adjacent sequences: A378654 A378655 A378656 * A378658 A378659 A378660

Keyword

nonn

Author

Antti Karttunen, Dec 05 2024

Status

approved