A379597 - cp's OEIS frontend

A379597 a(n) is the number of distinct solution sets to the quadratic equations ux^2 + vx + w = 0 with integer coefficients u, v, w, abs(u) + abs(v) + abs(w) <= n having a nonnegative discriminant.

n	a(n)
1	1
2	4
3	12
4	24
5	50
6	80
7	134
8	192
9	276
10	366
11	510
12	632
13	834
14	1018
15	1262
16	1502
17	1858
18	2136
19	2584
20	2956
21	3448
22	3910
23	4576
24	5076
25	5834
26	6488
27	7320
28	8066
29	9136
30	9892
31	11118
32	12114
33	13358
34	14482
35	15978
36	17108
37	18862
38	20272
39	22024
40	23532
41	25700
42	27216
43	29600
44	31486
45	33746

[1, 4, 12, 24, 50, 80, 134, 192, 276, 366, 510, 632, 834, 1018, 1262, 1502, 1858, 2136, 2584, 2956, 3448, 3910, 4576, 5076, 5834, 6488, 7320, 8066, 9136, 9892, 11118, 12114, 13358, 14482, 15978, 17108, 18862, 20272, 22024, 23532, 25700, 27216, 29600, 31486, 33746]

cp's OEIS Frontend

A379597 a(n) is the number of distinct solution sets to the quadratic equations ux^2 + vx + w = 0 with integer coefficients u, v, w, abs(u) + abs(v) + abs(w) <= n having a nonnegative discriminant.

Table of values

List of values

cp's OEIS Frontend

A379597 a(n) is the number of distinct solution sets to the quadratic equations u*x^2 + v*x + w = 0 with integer coefficients u, v, w, abs(u) + abs(v) + abs(w) <= n having a nonnegative discriminant.

Table of values

List of values

A379597 a(n) is the number of distinct solution sets to the quadratic equations ux^2 + vx + w = 0 with integer coefficients u, v, w, abs(u) + abs(v) + abs(w) <= n having a nonnegative discriminant.