A327855 - cp's OEIS frontend

A327855 Irregular triangle read by rows: T(n,k) = [x^k] (Sum_{i=0..prime(n)-1} (1+Legendre(i,prime(n))) * x^i)^2, for 0 <= k <= 2*prime(n)-2.

n	a(n)
1	1
2	4
3	4
4	1
5	4
6	4
7	0
8	0
9	1
10	4
11	4
12	0
13	4
14	8
15	0
16	0
17	4
18	1
19	4
20	8
21	8
22	8
23	8
24	8
25	0
26	4
27	0
28	0
29	0
30	0
31	1
32	4
33	4
34	4
35	12
36	12
37	12
38	8
39	12
40	12
41	12
42	0
43	8
44	8
45	8
46	0
47	0
48	0
49	4
50	0
51	0
52	1
53	4
54	4
55	4
56	12
57	8
58	4
59	8
60	4
61	4
62	12
63	8
64	12
65	24
66	8
67	8
68	8
69	0
70	4
71	8
72	4
73	8
74	8
75	0
76	4

[1, 4, 4, 1, 4, 4, 0, 0, 1, 4, 4, 0, 4, 8, 0, 0, 4, 1, 4, 8, 8, 8, 8, 8, 0, 4, 0, 0, 0, 0, 1, 4, 4, 4, 12, 12, 12, 8, 12, 12, 12, 0, 8, 8, 8, 0, 0, 0, 4, 0, 0, 1, 4, 4, 4, 12, 8, 4, 8, 4, 4, 12, 8, 12, 24, 8, 8, 8, 0, 4, 8, 4, 8, 8, 0, 4]

cp's OEIS Frontend

A327855 Irregular triangle read by rows: T(n,k) = [x^k] (Sum_{i=0..prime(n)-1} (1+Legendre(i,prime(n))) * x^i)^2, for 0 <= k <= 2*prime(n)-2.

Table of values

List of values

n	a(n)
1	1
2	4
3	4
4	1
5	4
6	4
7	0
8	0
9	1
10	4
11	4
12	0
13	4
14	8
15	0
16	0
17	4
18	1
19	4
20	8
21	8
22	8
23	8
24	8
25	0
26	4
27	0
28	0
29	0
30	0
31	1
32	4
33	4
34	4
35	12
36	12
37	12
38	8
39	12
40	12
41	12
42	0
43	8
44	8
45	8
46	0
47	0
48	0
49	4
50	0
51	0
52	1
53	4
54	4
55	4
56	12
57	8
58	4
59	8
60	4
61	4
62	12
63	8
64	12
65	24
66	8
67	8
68	8
69	0
70	4
71	8
72	4
73	8
74	8
75	0
76	4

n	a(n)
1	1
2	4
3	4
4	1
5	4
6	4
7	0
8	0
9	1
10	4
11	4
12	0
13	4
14	8
15	0
16	0
17	4
18	1
19	4
20	8
21	8
22	8
23	8
24	8
25	0
26	4
27	0
28	0
29	0
30	0
31	1
32	4
33	4
34	4
35	12
36	12
37	12
38	8
39	12
40	12
41	12
42	0
43	8
44	8
45	8
46	0
47	0
48	0
49	4
50	0
51	0
52	1
53	4
54	4
55	4
56	12
57	8
58	4
59	8
60	4
61	4
62	12
63	8
64	12
65	24
66	8
67	8
68	8
69	0
70	4
71	8
72	4
73	8
74	8
75	0
76	4

n	a(n)
1	1
2	4
3	4
4	1
5	4
6	4
7	0
8	0
9	1
10	4
11	4
12	0
13	4
14	8
15	0
16	0
17	4
18	1
19	4
20	8
21	8
22	8
23	8
24	8
25	0
26	4
27	0
28	0
29	0
30	0
31	1
32	4
33	4
34	4
35	12
36	12
37	12
38	8
39	12
40	12
41	12
42	0
43	8
44	8
45	8
46	0
47	0
48	0
49	4
50	0
51	0
52	1
53	4
54	4
55	4
56	12
57	8
58	4
59	8
60	4
61	4
62	12
63	8
64	12
65	24
66	8
67	8
68	8
69	0
70	4
71	8
72	4
73	8
74	8
75	0
76	4