A279816 - cp's OEIS frontend

A279816 Digital roots of tetrahedral numbers (A000292).

n	a(n)
0	0
1	1
2	4
3	1
4	2
5	8
6	2
7	3
8	3
9	3
10	4
11	7
12	4
13	5
14	2
15	5
16	6
17	6
18	6
19	7
20	1
21	7
22	8
23	5
24	8
25	9
26	9
27	9
28	1
29	4
30	1
31	2
32	8
33	2
34	3
35	3
36	3
37	4
38	7
39	4
40	5
41	2
42	5
43	6
44	6
45	6
46	7
47	1
48	7
49	8
50	5
51	8
52	9
53	9
54	9
55	1
56	4
57	1
58	2
59	8
60	2
61	3
62	3
63	3
64	4
65	7
66	4
67	5
68	2
69	5
70	6
71	6
72	6
73	7
74	1
75	7
76	8
77	5
78	8
79	9
80	9
81	9
82	1
83	4
84	1
85	2
86	8
87	2
88	3
89	3
90	3
91	4
92	7
93	4
94	5
95	2
96	5
97	6
98	6
99	6
100	7
101	1
102	7
103	8
104	5
105	8
106	9
107	9
108	9

[0, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 9, 9, 9, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 9, 9, 9, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 9, 9, 9, 1, 4, 1, 2, 8, 2, 3, 3, 3, 4, 7, 4, 5, 2, 5, 6, 6, 6, 7, 1, 7, 8, 5, 8, 9, 9, 9]

cp's OEIS Frontend

A279816 Digital roots of tetrahedral numbers (A000292).

Table of values

List of values

n	a(n)
0	0
1	1
2	4
3	1
4	2
5	8
6	2
7	3
8	3
9	3
10	4
11	7
12	4
13	5
14	2
15	5
16	6
17	6
18	6
19	7
20	1
21	7
22	8
23	5
24	8
25	9
26	9
27	9
28	1
29	4
30	1
31	2
32	8
33	2
34	3
35	3
36	3
37	4
38	7
39	4
40	5
41	2
42	5
43	6
44	6
45	6
46	7
47	1
48	7
49	8
50	5
51	8
52	9
53	9
54	9
55	1
56	4
57	1
58	2
59	8
60	2
61	3
62	3
63	3
64	4
65	7
66	4
67	5
68	2
69	5
70	6
71	6
72	6
73	7
74	1
75	7
76	8
77	5
78	8
79	9
80	9
81	9
82	1
83	4
84	1
85	2
86	8
87	2
88	3
89	3
90	3
91	4
92	7
93	4
94	5
95	2
96	5
97	6
98	6
99	6
100	7
101	1
102	7
103	8
104	5
105	8
106	9
107	9
108	9

n	a(n)
0	0
1	1
2	4
3	1
4	2
5	8
6	2
7	3
8	3
9	3
10	4
11	7
12	4
13	5
14	2
15	5
16	6
17	6
18	6
19	7
20	1
21	7
22	8
23	5
24	8
25	9
26	9
27	9
28	1
29	4
30	1
31	2
32	8
33	2
34	3
35	3
36	3
37	4
38	7
39	4
40	5
41	2
42	5
43	6
44	6
45	6
46	7
47	1
48	7
49	8
50	5
51	8
52	9
53	9
54	9
55	1
56	4
57	1
58	2
59	8
60	2
61	3
62	3
63	3
64	4
65	7
66	4
67	5
68	2
69	5
70	6
71	6
72	6
73	7
74	1
75	7
76	8
77	5
78	8
79	9
80	9
81	9
82	1
83	4
84	1
85	2
86	8
87	2
88	3
89	3
90	3
91	4
92	7
93	4
94	5
95	2
96	5
97	6
98	6
99	6
100	7
101	1
102	7
103	8
104	5
105	8
106	9
107	9
108	9

n	a(n)
0	0
1	1
2	4
3	1
4	2
5	8
6	2
7	3
8	3
9	3
10	4
11	7
12	4
13	5
14	2
15	5
16	6
17	6
18	6
19	7
20	1
21	7
22	8
23	5
24	8
25	9
26	9
27	9
28	1
29	4
30	1
31	2
32	8
33	2
34	3
35	3
36	3
37	4
38	7
39	4
40	5
41	2
42	5
43	6
44	6
45	6
46	7
47	1
48	7
49	8
50	5
51	8
52	9
53	9
54	9
55	1
56	4
57	1
58	2
59	8
60	2
61	3
62	3
63	3
64	4
65	7
66	4
67	5
68	2
69	5
70	6
71	6
72	6
73	7
74	1
75	7
76	8
77	5
78	8
79	9
80	9
81	9
82	1
83	4
84	1
85	2
86	8
87	2
88	3
89	3
90	3
91	4
92	7
93	4
94	5
95	2
96	5
97	6
98	6
99	6
100	7
101	1
102	7
103	8
104	5
105	8
106	9
107	9
108	9