A022438 - cp's OEIS frontend

A022438 a(n) = c(n-1) + c(n-3) where c is the sequence of numbers not in a.

n	a(n)
0	2
1	3
2	5
3	7
4	12
5	15
6	18
7	20
8	23
9	25
10	29
11	31
12	35
13	38
14	41
15	45
16	48
17	51
18	54
19	57
20	60
21	63
22	66
23	69
24	71
25	75
26	77
27	81
28	83
29	86
30	89
31	91
32	95
33	97
34	101
35	103
36	107
37	109
38	113
39	115
40	119
41	121
42	125
43	127
44	131
45	133
46	137
47	140
48	143
49	146
50	149
51	152
52	155
53	158
54	161
55	164
56	167
57	171
58	173

[2, 3, 5, 7, 12, 15, 18, 20, 23, 25, 29, 31, 35, 38, 41, 45, 48, 51, 54, 57, 60, 63, 66, 69, 71, 75, 77, 81, 83, 86, 89, 91, 95, 97, 101, 103, 107, 109, 113, 115, 119, 121, 125, 127, 131, 133, 137, 140, 143, 146, 149, 152, 155, 158, 161, 164, 167, 171, 173]

cp's OEIS Frontend

A022438 a(n) = c(n-1) + c(n-3) where c is the sequence of numbers not in a.

Table of values

List of values

n	a(n)
0	2
1	3
2	5
3	7
4	12
5	15
6	18
7	20
8	23
9	25
10	29
11	31
12	35
13	38
14	41
15	45
16	48
17	51
18	54
19	57
20	60
21	63
22	66
23	69
24	71
25	75
26	77
27	81
28	83
29	86
30	89
31	91
32	95
33	97
34	101
35	103
36	107
37	109
38	113
39	115
40	119
41	121
42	125
43	127
44	131
45	133
46	137
47	140
48	143
49	146
50	149
51	152
52	155
53	158
54	161
55	164
56	167
57	171
58	173

n	a(n)
0	2
1	3
2	5
3	7
4	12
5	15
6	18
7	20
8	23
9	25
10	29
11	31
12	35
13	38
14	41
15	45
16	48
17	51
18	54
19	57
20	60
21	63
22	66
23	69
24	71
25	75
26	77
27	81
28	83
29	86
30	89
31	91
32	95
33	97
34	101
35	103
36	107
37	109
38	113
39	115
40	119
41	121
42	125
43	127
44	131
45	133
46	137
47	140
48	143
49	146
50	149
51	152
52	155
53	158
54	161
55	164
56	167
57	171
58	173

n	a(n)
0	2
1	3
2	5
3	7
4	12
5	15
6	18
7	20
8	23
9	25
10	29
11	31
12	35
13	38
14	41
15	45
16	48
17	51
18	54
19	57
20	60
21	63
22	66
23	69
24	71
25	75
26	77
27	81
28	83
29	86
30	89
31	91
32	95
33	97
34	101
35	103
36	107
37	109
38	113
39	115
40	119
41	121
42	125
43	127
44	131
45	133
46	137
47	140
48	143
49	146
50	149
51	152
52	155
53	158
54	161
55	164
56	167
57	171
58	173