A242484 - cp's OEIS frontend

A242484 Numbers n such that antisigma(n) mod n = 0, where antisigma(n) = A024816(n) = sum of numbers less than n which do not divide n.

n	a(n)
1	1
2	2
3	24
4	4320
5	4680
6	26208
7	8910720
8	17428320
9	20427264
10	91963648
11	197064960
12	8583644160
13	10200236032
14	21857648640
15	57575890944
16	57629644800
17	206166804480
18	17116004505600
19	1416963251404800
20	15338300494970880

[1, 2, 24, 4320, 4680, 26208, 8910720, 17428320, 20427264, 91963648, 197064960, 8583644160, 10200236032, 21857648640, 57575890944, 57629644800, 206166804480, 17116004505600, 1416963251404800, 15338300494970880]

cp's OEIS Frontend

A242484 Numbers n such that antisigma(n) mod n = 0, where antisigma(n) = A024816(n) = sum of numbers less than n which do not divide n.

Table of values

List of values