A022442 - cp's OEIS frontend

A022442 a(n) = c(n) + c(n-1) where c is the sequence of numbers not in a.

n	a(n)
0	2
1	4
2	8
3	11
4	13
5	16
6	19
7	22
8	26
9	29
10	32
11	35
12	38
13	41
14	44
15	47
16	49
17	52
18	55
19	58
20	61
21	64
22	67
23	70
24	73
25	76
26	79
27	82
28	85
29	88
30	91
31	94
32	98
33	101
34	104
35	107
36	110
37	113
38	116
39	119
40	122
41	125
42	128
43	131
44	134
45	137

[2, 4, 8, 11, 13, 16, 19, 22, 26, 29, 32, 35, 38, 41, 44, 47, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 98, 101, 104, 107, 110, 113, 116, 119, 122, 125, 128, 131, 134, 137]

cp's OEIS Frontend

A022442 a(n) = c(n) + c(n-1) where c is the sequence of numbers not in a.

Table of values

List of values

n	a(n)
0	2
1	4
2	8
3	11
4	13
5	16
6	19
7	22
8	26
9	29
10	32
11	35
12	38
13	41
14	44
15	47
16	49
17	52
18	55
19	58
20	61
21	64
22	67
23	70
24	73
25	76
26	79
27	82
28	85
29	88
30	91
31	94
32	98
33	101
34	104
35	107
36	110
37	113
38	116
39	119
40	122
41	125
42	128
43	131
44	134
45	137

n	a(n)
0	2
1	4
2	8
3	11
4	13
5	16
6	19
7	22
8	26
9	29
10	32
11	35
12	38
13	41
14	44
15	47
16	49
17	52
18	55
19	58
20	61
21	64
22	67
23	70
24	73
25	76
26	79
27	82
28	85
29	88
30	91
31	94
32	98
33	101
34	104
35	107
36	110
37	113
38	116
39	119
40	122
41	125
42	128
43	131
44	134
45	137

n	a(n)
0	2
1	4
2	8
3	11
4	13
5	16
6	19
7	22
8	26
9	29
10	32
11	35
12	38
13	41
14	44
15	47
16	49
17	52
18	55
19	58
20	61
21	64
22	67
23	70
24	73
25	76
26	79
27	82
28	85
29	88
30	91
31	94
32	98
33	101
34	104
35	107
36	110
37	113
38	116
39	119
40	122
41	125
42	128
43	131
44	134
45	137