A331553 - cp's OEIS frontend

A331553 Irregular triangle T(n,k) = A115722(n,k)^2 - n.

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	0
10	3
11	3
12	4
13	4
14	1
15	4
16	1
17	4
18	4
19	5
20	5
21	2
22	5
23	2
24	2
25	5
26	2
27	2
28	5
29	5
30	6
31	6
32	3
33	6
34	3
35	3
36	6
37	3
38	3
39	3
40	6
41	3
42	3
43	6
44	6
45	7
46	7
47	4
48	7
49	4
50	4
51	7
52	4
53	4
54	4
55	4
56	7
57	4
58	4
59	4
60	4
61	7
62	4
63	4
64	4
65	7
66	7
67	8
68	8
69	5
70	8
71	5
72	5
73	8
74	5
75	5
76	5
77	5
78	8
79	5
80	5
81	5
82	5
83	5
84	8
85	0
86	5

[0, 0, 1, 1, 2, 2, 2, 3, 3, 0, 3, 3, 4, 4, 1, 4, 1, 4, 4, 5, 5, 2, 5, 2, 2, 5, 2, 2, 5, 5, 6, 6, 3, 6, 3, 3, 6, 3, 3, 3, 6, 3, 3, 6, 6, 7, 7, 4, 7, 4, 4, 7, 4, 4, 4, 4, 7, 4, 4, 4, 4, 7, 4, 4, 4, 7, 7, 8, 8, 5, 8, 5, 5, 8, 5, 5, 5, 5, 8, 5, 5, 5, 5, 5, 8, 0, 5]

cp's OEIS Frontend

A331553 Irregular triangle T(n,k) = A115722(n,k)^2 - n.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	0
10	3
11	3
12	4
13	4
14	1
15	4
16	1
17	4
18	4
19	5
20	5
21	2
22	5
23	2
24	2
25	5
26	2
27	2
28	5
29	5
30	6
31	6
32	3
33	6
34	3
35	3
36	6
37	3
38	3
39	3
40	6
41	3
42	3
43	6
44	6
45	7
46	7
47	4
48	7
49	4
50	4
51	7
52	4
53	4
54	4
55	4
56	7
57	4
58	4
59	4
60	4
61	7
62	4
63	4
64	4
65	7
66	7
67	8
68	8
69	5
70	8
71	5
72	5
73	8
74	5
75	5
76	5
77	5
78	8
79	5
80	5
81	5
82	5
83	5
84	8
85	0
86	5

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	0
10	3
11	3
12	4
13	4
14	1
15	4
16	1
17	4
18	4
19	5
20	5
21	2
22	5
23	2
24	2
25	5
26	2
27	2
28	5
29	5
30	6
31	6
32	3
33	6
34	3
35	3
36	6
37	3
38	3
39	3
40	6
41	3
42	3
43	6
44	6
45	7
46	7
47	4
48	7
49	4
50	4
51	7
52	4
53	4
54	4
55	4
56	7
57	4
58	4
59	4
60	4
61	7
62	4
63	4
64	4
65	7
66	7
67	8
68	8
69	5
70	8
71	5
72	5
73	8
74	5
75	5
76	5
77	5
78	8
79	5
80	5
81	5
82	5
83	5
84	8
85	0
86	5

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	0
10	3
11	3
12	4
13	4
14	1
15	4
16	1
17	4
18	4
19	5
20	5
21	2
22	5
23	2
24	2
25	5
26	2
27	2
28	5
29	5
30	6
31	6
32	3
33	6
34	3
35	3
36	6
37	3
38	3
39	3
40	6
41	3
42	3
43	6
44	6
45	7
46	7
47	4
48	7
49	4
50	4
51	7
52	4
53	4
54	4
55	4
56	7
57	4
58	4
59	4
60	4
61	7
62	4
63	4
64	4
65	7
66	7
67	8
68	8
69	5
70	8
71	5
72	5
73	8
74	5
75	5
76	5
77	5
78	8
79	5
80	5
81	5
82	5
83	5
84	8
85	0
86	5