A025485 - cp's OEIS frontend

A025485 Number of iterations of function f(k) = ceiling(sqrt(k))^2 - k on n required to force n <= 2.

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

[0, 0, 0, 1, 1, 2, 2, 1, 1, 1, 3, 3, 2, 2, 1, 1, 1, 2, 2, 3, 3, 2, 2, 1, 1, 1, 4, 2, 2, 2, 3, 3, 2, 2, 1, 1, 1, 3, 4, 4, 2, 2, 2, 3, 3, 2, 2, 1, 1, 1, 2, 3, 3, 4, 4, 2, 2, 2, 3, 3, 2, 2, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 2, 2, 2, 3, 3, 2, 2, 1, 1, 1, 3, 3, 2, 2, 2, 3, 3, 4, 4, 2, 2, 2, 3, 3, 2, 2, 1, 1, 1, 4, 4, 3, 3, 2, 2, 2]

cp's OEIS Frontend

A025485 Number of iterations of function f(k) = ceiling(sqrt(k))^2 - k on n required to force n <= 2.

Table of values

List of values

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

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

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