A236333 - cp's OEIS frontend

A236333 The (n-2)-th (n>=3) triple of terms gives coefficients of double trinomial P_n(x) = ((n-2)^2x^2 + nx + 2)/2 (see comment).

n	a(n)
3	1
4	3
5	2
6	4
7	4
8	2
9	9
10	5
11	2
12	16
13	6
14	2
15	25
16	7
17	2
18	36
19	8
20	2
21	49
22	9
23	2
24	64
25	10
26	2
27	81
28	11
29	2
30	100
31	12
32	2
33	121
34	13
35	2
36	144
37	14
38	2
39	169
40	15
41	2
42	196
43	16
44	2
45	225
46	17
47	2
48	256
49	18
50	2
51	289
52	19
53	2
54	324
55	20
56	2
57	361
58	21
59	2
60	400
61	22
62	2
63	441
64	23
65	2
66	484
67	24
68	2
69	529
70	25
71	2
72	576
73	26
74	2
75	625
76	27
77	2
78	676
79	28
80	2
81	729
82	29
83	2

[1, 3, 2, 4, 4, 2, 9, 5, 2, 16, 6, 2, 25, 7, 2, 36, 8, 2, 49, 9, 2, 64, 10, 2, 81, 11, 2, 100, 12, 2, 121, 13, 2, 144, 14, 2, 169, 15, 2, 196, 16, 2, 225, 17, 2, 256, 18, 2, 289, 19, 2, 324, 20, 2, 361, 21, 2, 400, 22, 2, 441, 23, 2, 484, 24, 2, 529, 25, 2, 576, 26, 2, 625, 27, 2, 676, 28, 2, 729, 29, 2]

cp's OEIS Frontend

A236333 The (n-2)-th (n>=3) triple of terms gives coefficients of double trinomial P_n(x) = ((n-2)^2x^2 + nx + 2)/2 (see comment).

Table of values

List of values

n	a(n)
3	1
4	3
5	2
6	4
7	4
8	2
9	9
10	5
11	2
12	16
13	6
14	2
15	25
16	7
17	2
18	36
19	8
20	2
21	49
22	9
23	2
24	64
25	10
26	2
27	81
28	11
29	2
30	100
31	12
32	2
33	121
34	13
35	2
36	144
37	14
38	2
39	169
40	15
41	2
42	196
43	16
44	2
45	225
46	17
47	2
48	256
49	18
50	2
51	289
52	19
53	2
54	324
55	20
56	2
57	361
58	21
59	2
60	400
61	22
62	2
63	441
64	23
65	2
66	484
67	24
68	2
69	529
70	25
71	2
72	576
73	26
74	2
75	625
76	27
77	2
78	676
79	28
80	2
81	729
82	29
83	2

n	a(n)
3	1
4	3
5	2
6	4
7	4
8	2
9	9
10	5
11	2
12	16
13	6
14	2
15	25
16	7
17	2
18	36
19	8
20	2
21	49
22	9
23	2
24	64
25	10
26	2
27	81
28	11
29	2
30	100
31	12
32	2
33	121
34	13
35	2
36	144
37	14
38	2
39	169
40	15
41	2
42	196
43	16
44	2
45	225
46	17
47	2
48	256
49	18
50	2
51	289
52	19
53	2
54	324
55	20
56	2
57	361
58	21
59	2
60	400
61	22
62	2
63	441
64	23
65	2
66	484
67	24
68	2
69	529
70	25
71	2
72	576
73	26
74	2
75	625
76	27
77	2
78	676
79	28
80	2
81	729
82	29
83	2

cp's OEIS Frontend

A236333 The (n-2)-th (n>=3) triple of terms gives coefficients of double trinomial P_n(x) = ((n-2)^2*x^2 + n*x + 2)/2 (see comment).

Table of values

List of values

A236333 The (n-2)-th (n>=3) triple of terms gives coefficients of double trinomial P_n(x) = ((n-2)^2x^2 + nx + 2)/2 (see comment).

n	a(n)
3	1
4	3
5	2
6	4
7	4
8	2
9	9
10	5
11	2
12	16
13	6
14	2
15	25
16	7
17	2
18	36
19	8
20	2
21	49
22	9
23	2
24	64
25	10
26	2
27	81
28	11
29	2
30	100
31	12
32	2
33	121
34	13
35	2
36	144
37	14
38	2
39	169
40	15
41	2
42	196
43	16
44	2
45	225
46	17
47	2
48	256
49	18
50	2
51	289
52	19
53	2
54	324
55	20
56	2
57	361
58	21
59	2
60	400
61	22
62	2
63	441
64	23
65	2
66	484
67	24
68	2
69	529
70	25
71	2
72	576
73	26
74	2
75	625
76	27
77	2
78	676
79	28
80	2
81	729
82	29
83	2