A269385 - cp's OEIS frontend

A269385 Tree of Ludic sieve, mirrored: a(0) = 1, a(1) = 2; after which, a(2n) = 2*a(n), a(2n+1) = A269379(a(n)).

n	a(n)
0	1
1	2
2	4
3	3
4	8
5	9
6	6
7	5
8	16
9	21
10	18
11	19
12	12
13	15
14	10
15	7
16	32
17	45
18	42
19	49
20	36
21	51
22	38
23	31
24	24
25	33
26	30
27	35
28	20
29	27
30	14
31	11
32	64
33	93
34	90
35	109
36	84
37	123
38	98
39	85
40	72
41	105
42	102
43	125
44	76
45	111
46	62
47	55
48	48
49	69
50	66
51	79
52	60
53	87
54	70
55	59
56	40
57	57
58	54
59	65
60	28
61	39
62	22
63	13
64	128
65	189
66	186
67	229
68	180
69	267
70	218
71	191
72	168
73	249
74	246
75	305
76	196
77	291
78	170
79	151
80	144

[1, 2, 4, 3, 8, 9, 6, 5, 16, 21, 18, 19, 12, 15, 10, 7, 32, 45, 42, 49, 36, 51, 38, 31, 24, 33, 30, 35, 20, 27, 14, 11, 64, 93, 90, 109, 84, 123, 98, 85, 72, 105, 102, 125, 76, 111, 62, 55, 48, 69, 66, 79, 60, 87, 70, 59, 40, 57, 54, 65, 28, 39, 22, 13, 128, 189, 186, 229, 180, 267, 218, 191, 168, 249, 246, 305, 196, 291, 170, 151, 144]

cp's OEIS Frontend

A269385 Tree of Ludic sieve, mirrored: a(0) = 1, a(1) = 2; after which, a(2n) = 2*a(n), a(2n+1) = A269379(a(n)).

Table of values

List of values

n	a(n)
0	1
1	2
2	4
3	3
4	8
5	9
6	6
7	5
8	16
9	21
10	18
11	19
12	12
13	15
14	10
15	7
16	32
17	45
18	42
19	49
20	36
21	51
22	38
23	31
24	24
25	33
26	30
27	35
28	20
29	27
30	14
31	11
32	64
33	93
34	90
35	109
36	84
37	123
38	98
39	85
40	72
41	105
42	102
43	125
44	76
45	111
46	62
47	55
48	48
49	69
50	66
51	79
52	60
53	87
54	70
55	59
56	40
57	57
58	54
59	65
60	28
61	39
62	22
63	13
64	128
65	189
66	186
67	229
68	180
69	267
70	218
71	191
72	168
73	249
74	246
75	305
76	196
77	291
78	170
79	151
80	144

n	a(n)
0	1
1	2
2	4
3	3
4	8
5	9
6	6
7	5
8	16
9	21
10	18
11	19
12	12
13	15
14	10
15	7
16	32
17	45
18	42
19	49
20	36
21	51
22	38
23	31
24	24
25	33
26	30
27	35
28	20
29	27
30	14
31	11
32	64
33	93
34	90
35	109
36	84
37	123
38	98
39	85
40	72
41	105
42	102
43	125
44	76
45	111
46	62
47	55
48	48
49	69
50	66
51	79
52	60
53	87
54	70
55	59
56	40
57	57
58	54
59	65
60	28
61	39
62	22
63	13
64	128
65	189
66	186
67	229
68	180
69	267
70	218
71	191
72	168
73	249
74	246
75	305
76	196
77	291
78	170
79	151
80	144

n	a(n)
0	1
1	2
2	4
3	3
4	8
5	9
6	6
7	5
8	16
9	21
10	18
11	19
12	12
13	15
14	10
15	7
16	32
17	45
18	42
19	49
20	36
21	51
22	38
23	31
24	24
25	33
26	30
27	35
28	20
29	27
30	14
31	11
32	64
33	93
34	90
35	109
36	84
37	123
38	98
39	85
40	72
41	105
42	102
43	125
44	76
45	111
46	62
47	55
48	48
49	69
50	66
51	79
52	60
53	87
54	70
55	59
56	40
57	57
58	54
59	65
60	28
61	39
62	22
63	13
64	128
65	189
66	186
67	229
68	180
69	267
70	218
71	191
72	168
73	249
74	246
75	305
76	196
77	291
78	170
79	151
80	144