A274468 - cp's OEIS frontend

A274468 The length of the initial uninterrupted number of tau numbers in the chain defined by repeated subtraction of the number of divisors, starting with the n-th tau number.

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

[1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 3, 2, 4, 5, 5, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 3, 1, 2, 1, 1, 1, 1, 1]

cp's OEIS Frontend

A274468 The length of the initial uninterrupted number of tau numbers in the chain defined by repeated subtraction of the number of divisors, starting with the n-th tau number.

Table of values

List of values

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

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

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