A140357 - cp's OEIS frontend

A140357 a(1)=1; a(n)=floor(4a(n-1)(n-a(n-1)) / n) for n > 1.

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

[1, 2, 2, 4, 3, 6, 3, 7, 6, 9, 6, 12, 3, 9, 14, 7, 16, 7, 17, 10, 20, 7, 19, 15, 24, 7, 20, 22, 21, 25, 19, 30, 10, 28, 22, 34, 11, 31, 25, 37, 14, 37, 20, 43, 7, 23, 46, 7, 24, 49, 7, 24, 52, 7, 24, 54, 11, 35, 56, 14, 43, 52, 36, 63, 7, 25, 62, 21, 58, 39, 70, 7, 25, 66, 31, 73, 15, 48]

cp's OEIS Frontend

A140357 a(1)=1; a(n)=floor(4a(n-1)(n-a(n-1)) / n) for n > 1.

Table of values

List of values

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

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

cp's OEIS Frontend

A140357 a(1)=1; a(n)=floor(4*a(n-1)*(n-a(n-1)) / n) for n > 1.

Table of values

List of values

A140357 a(1)=1; a(n)=floor(4a(n-1)(n-a(n-1)) / n) for n > 1.

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