A358399 - cp's OEIS frontend

A358399 a(n) is the number of reducible monic quartic polynomials (x^4 + rx^3 + sx^2 + t*x + u) with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t), abs(u) <= n).

n	a(n)
1	47
2	271
3	810
4	1849
5	3395
6	5832
7	8915
8	13242
9	18465
10	25267
11	32874
12	43023
13	53662
14	66957
15	81770
16	99374
17	117564
18	140303
19	163048
20	190757
21	219702
22	252465
23	285820
24	326853
25	366732

[47, 271, 810, 1849, 3395, 5832, 8915, 13242, 18465, 25267, 32874, 43023, 53662, 66957, 81770, 99374, 117564, 140303, 163048, 190757, 219702, 252465, 285820, 326853, 366732]

cp's OEIS Frontend

A358399 a(n) is the number of reducible monic quartic polynomials (x^4 + rx^3 + sx^2 + t*x + u) with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t), abs(u) <= n).

Table of values

List of values

cp's OEIS Frontend

A358399 a(n) is the number of reducible monic quartic polynomials (x^4 + r*x^3 + s*x^2 + t*x + u) with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t), abs(u) <= n).

Table of values

List of values

A358399 a(n) is the number of reducible monic quartic polynomials (x^4 + rx^3 + sx^2 + t*x + u) with integer coefficients bounded by naïve height n (abs(r), abs(s), abs(t), abs(u) <= n).