A370308 - cp's OEIS frontend

A370308 Values d for the discriminant d^2 = 4p^3 - 27q^2 of the depressed cubic equation x^3 - p*x + q = 0 that give integer roots using integer coefficients p > 0 and q > 0 for increasing p sorted by p then q.

n	a(n)
1	0
2	20
3	0
4	70
5	56
6	162
7	0
8	160
9	308
10	110
11	324
12	520
13	0
14	286
15	560
16	810
17	182
18	540
19	880
20	1190
21	0
22	448
23	884
24	1296
25	1672
26	272
27	810
28	1330
29	1820
30	0
31	646
32	2268
33	1280
34	1890
35	2464
36	380
37	1134
38	2990
39	1870
40	2576
41	3240
42	0
43	880
44	1748
45	2592
46	3850
47	3400
48	506
49	1512

[0, 20, 0, 70, 56, 162, 0, 160, 308, 110, 324, 520, 0, 286, 560, 810, 182, 540, 880, 1190, 0, 448, 884, 1296, 1672, 272, 810, 1330, 1820, 0, 646, 2268, 1280, 1890, 2464, 380, 1134, 2990, 1870, 2576, 3240, 0, 880, 1748, 2592, 3850, 3400, 506, 1512]

cp's OEIS Frontend

A370308 Values d for the discriminant d^2 = 4p^3 - 27q^2 of the depressed cubic equation x^3 - p*x + q = 0 that give integer roots using integer coefficients p > 0 and q > 0 for increasing p sorted by p then q.

Table of values

List of values

cp's OEIS Frontend

A370308 Values d for the discriminant d^2 = 4*p^3 - 27*q^2 of the depressed cubic equation x^3 - p*x + q = 0 that give integer roots using integer coefficients p > 0 and q > 0 for increasing p sorted by p then q.

Table of values

List of values

A370308 Values d for the discriminant d^2 = 4p^3 - 27q^2 of the depressed cubic equation x^3 - p*x + q = 0 that give integer roots using integer coefficients p > 0 and q > 0 for increasing p sorted by p then q.