A201913 - cp's OEIS frontend

A201913 Irregular triangle of possible factorizations of the trinomial x^n + Ax^m + B, where A and B are rational with AB nonzero and n > m.

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	2
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	3
18	4
19	1
20	2
21	2
22	1
23	1
24	3
25	2
26	3
27	1
28	4
29	5
30	1
31	1
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	2
40	2
41	2
42	1
43	2
44	3
45	3
46	3
47	1
48	1
49	4
50	2
51	4
52	1
53	5
54	6

[1, 1, 2, 1, 1, 1, 1, 2, 3, 1, 1, 2, 2, 2, 1, 3, 4, 1, 2, 2, 1, 1, 3, 2, 3, 1, 4, 5, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 1, 2, 3, 3, 3, 1, 1, 4, 2, 4, 1, 5, 6]

cp's OEIS Frontend

A201913 Irregular triangle of possible factorizations of the trinomial x^n + Ax^m + B, where A and B are rational with AB nonzero and n > m.

Table of values

List of values

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	2
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	3
18	4
19	1
20	2
21	2
22	1
23	1
24	3
25	2
26	3
27	1
28	4
29	5
30	1
31	1
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	2
40	2
41	2
42	1
43	2
44	3
45	3
46	3
47	1
48	1
49	4
50	2
51	4
52	1
53	5
54	6

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	2
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	3
18	4
19	1
20	2
21	2
22	1
23	1
24	3
25	2
26	3
27	1
28	4
29	5
30	1
31	1
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	2
40	2
41	2
42	1
43	2
44	3
45	3
46	3
47	1
48	1
49	4
50	2
51	4
52	1
53	5
54	6

cp's OEIS Frontend

A201913 Irregular triangle of possible factorizations of the trinomial x^n + A*x^m + B, where A and B are rational with A*B nonzero and n > m.

Table of values

List of values

A201913 Irregular triangle of possible factorizations of the trinomial x^n + Ax^m + B, where A and B are rational with AB nonzero and n > m.

n	a(n)
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	2
10	3
11	1
12	1
13	2
14	2
15	2
16	1
17	3
18	4
19	1
20	2
21	2
22	1
23	1
24	3
25	2
26	3
27	1
28	4
29	5
30	1
31	1
32	1
33	1
34	2
35	1
36	1
37	2
38	2
39	2
40	2
41	2
42	1
43	2
44	3
45	3
46	3
47	1
48	1
49	4
50	2
51	4
52	1
53	5
54	6