A348192 - cp's OEIS frontend

A348192 a(0) = 0; for n >= 1, a(n) = 1 + a(n - GCD(n, digital sum(n))).

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

[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 3, 4, 3, 4, 5, 2, 3, 3, 3, 4, 5, 3, 4, 4, 3, 5, 6, 4, 5, 6, 5, 6, 7, 4, 5, 6, 5, 5, 6, 5, 6, 6, 5, 7, 8, 5, 6, 6, 6, 7, 8, 6, 7, 8, 7, 8, 9, 7, 8, 8, 7, 9, 10, 8, 9, 9, 9, 8, 9, 8, 9, 10, 9, 10, 9, 10, 11, 9, 9, 10, 11, 9, 10, 10, 10, 10, 11, 10, 11, 12, 11, 12, 13, 12, 13]

cp's OEIS Frontend

A348192 a(0) = 0; for n >= 1, a(n) = 1 + a(n - GCD(n, digital sum(n))).

Table of values

List of values

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

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

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