A050196 - cp's OEIS frontend

A050196 a(1) = 1, a(n) = floor(a(n-1)/2) if this is not among 0,a(1),...,a(n-1); otherwise a(n) = a(n-1) + a(n-2).

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	8
7	4
8	12
9	6
10	18
11	9
12	27
13	13
14	40
15	20
16	10
17	30
18	15
19	7
20	22
21	11
22	33
23	16
24	49
25	24
26	73
27	36
28	109
29	54
30	163
31	81
32	244
33	122
34	61
35	183
36	91
37	45
38	136
39	68
40	34
41	17
42	51
43	25
44	76
45	38
46	19
47	57
48	28
49	14
50	42
51	21
52	63
53	31
54	94
55	47
56	23
57	70
58	35
59	105
60	52
61	26

[1, 1, 2, 3, 5, 8, 4, 12, 6, 18, 9, 27, 13, 40, 20, 10, 30, 15, 7, 22, 11, 33, 16, 49, 24, 73, 36, 109, 54, 163, 81, 244, 122, 61, 183, 91, 45, 136, 68, 34, 17, 51, 25, 76, 38, 19, 57, 28, 14, 42, 21, 63, 31, 94, 47, 23, 70, 35, 105, 52, 26]

cp's OEIS Frontend

A050196 a(1) = 1, a(n) = floor(a(n-1)/2) if this is not among 0,a(1),...,a(n-1); otherwise a(n) = a(n-1) + a(n-2).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	8
7	4
8	12
9	6
10	18
11	9
12	27
13	13
14	40
15	20
16	10
17	30
18	15
19	7
20	22
21	11
22	33
23	16
24	49
25	24
26	73
27	36
28	109
29	54
30	163
31	81
32	244
33	122
34	61
35	183
36	91
37	45
38	136
39	68
40	34
41	17
42	51
43	25
44	76
45	38
46	19
47	57
48	28
49	14
50	42
51	21
52	63
53	31
54	94
55	47
56	23
57	70
58	35
59	105
60	52
61	26

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	8
7	4
8	12
9	6
10	18
11	9
12	27
13	13
14	40
15	20
16	10
17	30
18	15
19	7
20	22
21	11
22	33
23	16
24	49
25	24
26	73
27	36
28	109
29	54
30	163
31	81
32	244
33	122
34	61
35	183
36	91
37	45
38	136
39	68
40	34
41	17
42	51
43	25
44	76
45	38
46	19
47	57
48	28
49	14
50	42
51	21
52	63
53	31
54	94
55	47
56	23
57	70
58	35
59	105
60	52
61	26

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	8
7	4
8	12
9	6
10	18
11	9
12	27
13	13
14	40
15	20
16	10
17	30
18	15
19	7
20	22
21	11
22	33
23	16
24	49
25	24
26	73
27	36
28	109
29	54
30	163
31	81
32	244
33	122
34	61
35	183
36	91
37	45
38	136
39	68
40	34
41	17
42	51
43	25
44	76
45	38
46	19
47	57
48	28
49	14
50	42
51	21
52	63
53	31
54	94
55	47
56	23
57	70
58	35
59	105
60	52
61	26