A204539 - cp's OEIS frontend

A204539 a(n) is the number of integers N=4k whose "basin" sequence (cf. comment) ends in n^2.

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

[1, 1, 1, 2, 1, 3, 2, 4, 2, 4, 3, 5, 1, 9, 2, 10, 3, 5, 7, 9, 2, 10, 9, 9, 2, 13, 9, 8, 4, 20, 4, 15, 6, 15, 8, 12, 6, 22, 6, 15, 15, 21, 5, 13, 12, 23, 7, 24, 11, 19, 15, 24, 6, 30, 6, 26, 7, 27, 26, 13, 6, 33, 27, 30, 5, 13, 30, 30, 5, 37, 15, 26, 28, 32, 7, 17, 25, 54, 9, 30, 21, 41, 25]

cp's OEIS Frontend

A204539 a(n) is the number of integers N=4k whose "basin" sequence (cf. comment) ends in n^2.

Table of values

List of values

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

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

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