A022427 - cp's OEIS frontend

A022427 a(n) = c(n-1) + c(n-3) where c is the sequence of numbers not in a.

n	a(n)
0	1
1	2
2	3
3	10
4	12
5	14
6	16
7	19
8	22
9	26
10	30
11	33
12	37
13	39
14	43
15	45
16	48
17	51
18	53
19	56
20	59
21	61
22	65
23	67
24	70
25	73
26	76
27	79
28	82
29	85
30	88
31	91
32	95
33	97
34	101
35	104
36	107
37	111
38	113
39	117
40	120
41	123
42	126
43	129
44	132
45	135
46	139
47	141
48	145
49	147
50	151
51	153
52	157
53	159
54	163
55	165
56	169
57	171

[1, 2, 3, 10, 12, 14, 16, 19, 22, 26, 30, 33, 37, 39, 43, 45, 48, 51, 53, 56, 59, 61, 65, 67, 70, 73, 76, 79, 82, 85, 88, 91, 95, 97, 101, 104, 107, 111, 113, 117, 120, 123, 126, 129, 132, 135, 139, 141, 145, 147, 151, 153, 157, 159, 163, 165, 169, 171]

cp's OEIS Frontend

A022427 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	1
1	2
2	3
3	10
4	12
5	14
6	16
7	19
8	22
9	26
10	30
11	33
12	37
13	39
14	43
15	45
16	48
17	51
18	53
19	56
20	59
21	61
22	65
23	67
24	70
25	73
26	76
27	79
28	82
29	85
30	88
31	91
32	95
33	97
34	101
35	104
36	107
37	111
38	113
39	117
40	120
41	123
42	126
43	129
44	132
45	135
46	139
47	141
48	145
49	147
50	151
51	153
52	157
53	159
54	163
55	165
56	169
57	171

n	a(n)
0	1
1	2
2	3
3	10
4	12
5	14
6	16
7	19
8	22
9	26
10	30
11	33
12	37
13	39
14	43
15	45
16	48
17	51
18	53
19	56
20	59
21	61
22	65
23	67
24	70
25	73
26	76
27	79
28	82
29	85
30	88
31	91
32	95
33	97
34	101
35	104
36	107
37	111
38	113
39	117
40	120
41	123
42	126
43	129
44	132
45	135
46	139
47	141
48	145
49	147
50	151
51	153
52	157
53	159
54	163
55	165
56	169
57	171

n	a(n)
0	1
1	2
2	3
3	10
4	12
5	14
6	16
7	19
8	22
9	26
10	30
11	33
12	37
13	39
14	43
15	45
16	48
17	51
18	53
19	56
20	59
21	61
22	65
23	67
24	70
25	73
26	76
27	79
28	82
29	85
30	88
31	91
32	95
33	97
34	101
35	104
36	107
37	111
38	113
39	117
40	120
41	123
42	126
43	129
44	132
45	135
46	139
47	141
48	145
49	147
50	151
51	153
52	157
53	159
54	163
55	165
56	169
57	171