A203612 - cp's OEIS frontend

A203612 For any number n take the polynomial formed by the product of the terms (x-pi), where pi’s are the prime factors of n. Then calculate the area between the minimum and the maximum value of the prime factors. This sequence lists the numbers for which the area is a positive integer.

n	a(n)
1	429
2	605
3	663
4	969
5	1001
6	1105
7	1183
8	1311
9	1445
10	1653
11	1955
12	2139
13	2185
14	2261
15	2527
16	2553
17	2645
18	2697
19	2755
20	3179
21	3219
22	3335
23	3741
24	3813
25	4199
26	4205
27	4371
28	4551
29	4693
30	4807
31	4929
32	4991
33	5217
34	5289
35	5819
36	5865
37	5883
38	5945
39	5957
40	6063
41	6293
42	6355
43	6549
44	6630

[429, 605, 663, 969, 1001, 1105, 1183, 1311, 1445, 1653, 1955, 2139, 2185, 2261, 2527, 2553, 2645, 2697, 2755, 3179, 3219, 3335, 3741, 3813, 4199, 4205, 4371, 4551, 4693, 4807, 4929, 4991, 5217, 5289, 5819, 5865, 5883, 5945, 5957, 6063, 6293, 6355, 6549, 6630]

cp's OEIS Frontend

A203612 For any number n take the polynomial formed by the product of the terms (x-pi), where pi’s are the prime factors of n. Then calculate the area between the minimum and the maximum value of the prime factors. This sequence lists the numbers for which the area is a positive integer.

Table of values

List of values