A378985 - cp's OEIS frontend

A378985 Number of iterations of x -> A003961(x) needed before the result is deficient, when starting from x = 2*n.

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	1
31	0
32	0
33	1
34	0
35	1
36	1
37	0
38	0
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	0
47	0
48	1
49	0
50	1
51	1
52	1
53	0
54	1
55	0
56	1
57	1
58	0
59	0
60	2
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	1
71	0
72	1
73	0
74	0
75	1
76	0
77	0
78	1
79	0
80	1
81	1
82	0
83	0
84	1
85	0
86	0
87	1
88	1
89	0
90	2
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	1
99	1
100	1
101	0
102	1
103	0
104	1
105	1
106	0
107	0
108	1
109	0
110	1
111	1
112	1
113	0
114	1
115	0
116	0
117	1
118	0
119	0
120	2

[0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 2, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 2, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 2]

cp's OEIS Frontend

A378985 Number of iterations of x -> A003961(x) needed before the result is deficient, when starting from x = 2*n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	1
31	0
32	0
33	1
34	0
35	1
36	1
37	0
38	0
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	0
47	0
48	1
49	0
50	1
51	1
52	1
53	0
54	1
55	0
56	1
57	1
58	0
59	0
60	2
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	1
71	0
72	1
73	0
74	0
75	1
76	0
77	0
78	1
79	0
80	1
81	1
82	0
83	0
84	1
85	0
86	0
87	1
88	1
89	0
90	2
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	1
99	1
100	1
101	0
102	1
103	0
104	1
105	1
106	0
107	0
108	1
109	0
110	1
111	1
112	1
113	0
114	1
115	0
116	0
117	1
118	0
119	0
120	2

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	1
31	0
32	0
33	1
34	0
35	1
36	1
37	0
38	0
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	0
47	0
48	1
49	0
50	1
51	1
52	1
53	0
54	1
55	0
56	1
57	1
58	0
59	0
60	2
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	1
71	0
72	1
73	0
74	0
75	1
76	0
77	0
78	1
79	0
80	1
81	1
82	0
83	0
84	1
85	0
86	0
87	1
88	1
89	0
90	2
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	1
99	1
100	1
101	0
102	1
103	0
104	1
105	1
106	0
107	0
108	1
109	0
110	1
111	1
112	1
113	0
114	1
115	0
116	0
117	1
118	0
119	0
120	2

n	a(n)
1	0
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	1
13	0
14	1
15	1
16	0
17	0
18	1
19	0
20	1
21	1
22	0
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	1
31	0
32	0
33	1
34	0
35	1
36	1
37	0
38	0
39	1
40	1
41	0
42	1
43	0
44	1
45	1
46	0
47	0
48	1
49	0
50	1
51	1
52	1
53	0
54	1
55	0
56	1
57	1
58	0
59	0
60	2
61	0
62	0
63	1
64	0
65	0
66	1
67	0
68	0
69	1
70	1
71	0
72	1
73	0
74	0
75	1
76	0
77	0
78	1
79	0
80	1
81	1
82	0
83	0
84	1
85	0
86	0
87	1
88	1
89	0
90	2
91	0
92	0
93	1
94	0
95	0
96	1
97	0
98	1
99	1
100	1
101	0
102	1
103	0
104	1
105	1
106	0
107	0
108	1
109	0
110	1
111	1
112	1
113	0
114	1
115	0
116	0
117	1
118	0
119	0
120	2