A099551 - cp's OEIS frontend

A099551 Odd part of n modulo 10. Final digit of A000265(n).

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

[1, 1, 3, 1, 5, 3, 7, 1, 9, 5, 1, 3, 3, 7, 5, 1, 7, 9, 9, 5, 1, 1, 3, 3, 5, 3, 7, 7, 9, 5, 1, 1, 3, 7, 5, 9, 7, 9, 9, 5, 1, 1, 3, 1, 5, 3, 7, 3, 9, 5, 1, 3, 3, 7, 5, 7, 7, 9, 9, 5, 1, 1, 3, 1, 5, 3, 7, 7, 9, 5, 1, 9, 3, 7, 5, 9, 7, 9, 9, 5, 1, 1, 3, 1, 5, 3, 7, 1, 9, 5, 1, 3, 3, 7, 5, 3, 7, 9, 9, 5, 1, 1]

cp's OEIS Frontend

A099551 Odd part of n modulo 10. Final digit of A000265(n).

Table of values

List of values

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

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

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