A008954 - cp's OEIS frontend

A008954 Final digit of triangular number n*(n+1)/2.

n	a(n)
0	0
1	1
2	3
3	6
4	0
5	5
6	1
7	8
8	6
9	5
10	5
11	6
12	8
13	1
14	5
15	0
16	6
17	3
18	1
19	0
20	0
21	1
22	3
23	6
24	0
25	5
26	1
27	8
28	6
29	5
30	5
31	6
32	8
33	1
34	5
35	0
36	6
37	3
38	1
39	0
40	0
41	1
42	3
43	6
44	0
45	5
46	1
47	8
48	6
49	5
50	5
51	6
52	8
53	1
54	5
55	0
56	6
57	3
58	1
59	0
60	0
61	1
62	3
63	6
64	0
65	5
66	1
67	8
68	6
69	5
70	5
71	6
72	8
73	1
74	5
75	0
76	6
77	3
78	1
79	0
80	0
81	1
82	3
83	6
84	0
85	5
86	1
87	8
88	6
89	5
90	5
91	6
92	8
93	1
94	5
95	0
96	6
97	3
98	1
99	0

[0, 1, 3, 6, 0, 5, 1, 8, 6, 5, 5, 6, 8, 1, 5, 0, 6, 3, 1, 0, 0, 1, 3, 6, 0, 5, 1, 8, 6, 5, 5, 6, 8, 1, 5, 0, 6, 3, 1, 0, 0, 1, 3, 6, 0, 5, 1, 8, 6, 5, 5, 6, 8, 1, 5, 0, 6, 3, 1, 0, 0, 1, 3, 6, 0, 5, 1, 8, 6, 5, 5, 6, 8, 1, 5, 0, 6, 3, 1, 0, 0, 1, 3, 6, 0, 5, 1, 8, 6, 5, 5, 6, 8, 1, 5, 0, 6, 3, 1, 0]

cp's OEIS Frontend

A008954 Final digit of triangular number n*(n+1)/2.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	6
4	0
5	5
6	1
7	8
8	6
9	5
10	5
11	6
12	8
13	1
14	5
15	0
16	6
17	3
18	1
19	0
20	0
21	1
22	3
23	6
24	0
25	5
26	1
27	8
28	6
29	5
30	5
31	6
32	8
33	1
34	5
35	0
36	6
37	3
38	1
39	0
40	0
41	1
42	3
43	6
44	0
45	5
46	1
47	8
48	6
49	5
50	5
51	6
52	8
53	1
54	5
55	0
56	6
57	3
58	1
59	0
60	0
61	1
62	3
63	6
64	0
65	5
66	1
67	8
68	6
69	5
70	5
71	6
72	8
73	1
74	5
75	0
76	6
77	3
78	1
79	0
80	0
81	1
82	3
83	6
84	0
85	5
86	1
87	8
88	6
89	5
90	5
91	6
92	8
93	1
94	5
95	0
96	6
97	3
98	1
99	0

n	a(n)
0	0
1	1
2	3
3	6
4	0
5	5
6	1
7	8
8	6
9	5
10	5
11	6
12	8
13	1
14	5
15	0
16	6
17	3
18	1
19	0
20	0
21	1
22	3
23	6
24	0
25	5
26	1
27	8
28	6
29	5
30	5
31	6
32	8
33	1
34	5
35	0
36	6
37	3
38	1
39	0
40	0
41	1
42	3
43	6
44	0
45	5
46	1
47	8
48	6
49	5
50	5
51	6
52	8
53	1
54	5
55	0
56	6
57	3
58	1
59	0
60	0
61	1
62	3
63	6
64	0
65	5
66	1
67	8
68	6
69	5
70	5
71	6
72	8
73	1
74	5
75	0
76	6
77	3
78	1
79	0
80	0
81	1
82	3
83	6
84	0
85	5
86	1
87	8
88	6
89	5
90	5
91	6
92	8
93	1
94	5
95	0
96	6
97	3
98	1
99	0

n	a(n)
0	0
1	1
2	3
3	6
4	0
5	5
6	1
7	8
8	6
9	5
10	5
11	6
12	8
13	1
14	5
15	0
16	6
17	3
18	1
19	0
20	0
21	1
22	3
23	6
24	0
25	5
26	1
27	8
28	6
29	5
30	5
31	6
32	8
33	1
34	5
35	0
36	6
37	3
38	1
39	0
40	0
41	1
42	3
43	6
44	0
45	5
46	1
47	8
48	6
49	5
50	5
51	6
52	8
53	1
54	5
55	0
56	6
57	3
58	1
59	0
60	0
61	1
62	3
63	6
64	0
65	5
66	1
67	8
68	6
69	5
70	5
71	6
72	8
73	1
74	5
75	0
76	6
77	3
78	1
79	0
80	0
81	1
82	3
83	6
84	0
85	5
86	1
87	8
88	6
89	5
90	5
91	6
92	8
93	1
94	5
95	0
96	6
97	3
98	1
99	0