A178053 - cp's OEIS frontend

A178053 Digital roots of mountain numbers (cf. A134941).

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

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

cp's OEIS Frontend

A178053 Digital roots of mountain numbers (cf. A134941).

Table of values

List of values

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

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

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