A277486 - cp's OEIS frontend

A277486 a(n) = number of integers one more than a prime encountered before reaching (n^2)-1 when starting from k = ((n+1)^2)-1 and iterating map k -> k - A002828(k).

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

[1, 2, 0, 2, 2, 2, 0, 2, 1, 2, 1, 3, 1, 3, 1, 3, 3, 2, 3, 3, 5, 4, 1, 4, 3, 4, 2, 4, 4, 2, 4, 4, 4, 3, 3, 4, 3, 4, 5, 5, 5, 4, 4, 6, 6, 3, 3, 9, 4, 5, 6, 9, 4, 6, 4, 4, 8, 6, 5, 7, 5, 9, 5, 5, 7, 8, 6, 11, 5, 9, 4, 7, 9, 9, 6, 10, 5, 5, 17, 4, 10, 9, 10, 7, 3, 3, 10, 8, 7, 10, 6, 9, 5, 10, 10, 10, 8, 11, 6, 9, 10, 7, 7, 7, 7, 12, 9, 11, 13, 9, 12, 6, 10, 9, 6]

cp's OEIS Frontend

A277486 a(n) = number of integers one more than a prime encountered before reaching (n^2)-1 when starting from k = ((n+1)^2)-1 and iterating map k -> k - A002828(k).

Table of values

List of values

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

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

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