A249736 - cp's OEIS frontend

A249736 Triangular numbers modulo 30.

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

[0, 1, 3, 6, 10, 15, 21, 28, 6, 15, 25, 6, 18, 1, 15, 0, 16, 3, 21, 10, 0, 21, 13, 6, 0, 25, 21, 18, 16, 15, 15, 16, 18, 21, 25, 0, 6, 13, 21, 0, 10, 21, 3, 16, 0, 15, 1, 18, 6, 25, 15, 6, 28, 21, 15, 10, 6, 3, 1, 0, 0, 1, 3, 6, 10, 15, 21, 28, 6, 15, 25, 6, 18, 1, 15, 0, 16, 3, 21, 10, 0, 21, 13, 6, 0]

cp's OEIS Frontend

A249736 Triangular numbers modulo 30.

Table of values

List of values

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

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

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