A215967 - cp's OEIS frontend

A215967 Numbers n such that the absolute value of the difference between the sum of the distinct prime divisors of n that are congruent to 1 mod 4 and the sum of the distinct prime divisors of n that are congruent to 3 mod 4 is a square.

n	a(n)
1	165
2	330
3	429
4	495
5	660
6	741
7	805
8	825
9	858
10	990
11	1045
12	1155
13	1173
14	1235
15	1245
16	1287
17	1309
18	1320
19	1482
20	1485
21	1610
22	1645
23	1650
24	1716
25	1815
26	1955
27	1980
28	2090
29	2145
30	2223
31	2261
32	2301
33	2310
34	2346
35	2365
36	2470
37	2475
38	2490
39	2574
40	2618
41	2635
42	2640
43	2765
44	2795
45	2821

[165, 330, 429, 495, 660, 741, 805, 825, 858, 990, 1045, 1155, 1173, 1235, 1245, 1287, 1309, 1320, 1482, 1485, 1610, 1645, 1650, 1716, 1815, 1955, 1980, 2090, 2145, 2223, 2261, 2301, 2310, 2346, 2365, 2470, 2475, 2490, 2574, 2618, 2635, 2640, 2765, 2795, 2821]

cp's OEIS Frontend

A215967 Numbers n such that the absolute value of the difference between the sum of the distinct prime divisors of n that are congruent to 1 mod 4 and the sum of the distinct prime divisors of n that are congruent to 3 mod 4 is a square.

Table of values

List of values