A193090 - cp's OEIS frontend

A193090 Digital roots of the nonzero pentagonal numbers.

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

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

cp's OEIS Frontend

A193090 Digital roots of the nonzero pentagonal numbers.

Table of values

List of values

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

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

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