A353313 - cp's OEIS frontend

A353313 If n is of the form 3k, then a(n) = k, and if n is of the form 3k+r, with r = 1 or 2, then a(n) = 5*k + 3 + r.

n	a(n)
0	0
1	4
2	5
3	1
4	9
5	10
6	2
7	14
8	15
9	3
10	19
11	20
12	4
13	24
14	25
15	5
16	29
17	30
18	6
19	34
20	35
21	7
22	39
23	40
24	8
25	44
26	45
27	9
28	49
29	50
30	10
31	54
32	55
33	11
34	59
35	60
36	12
37	64
38	65
39	13
40	69
41	70
42	14
43	74
44	75
45	15
46	79
47	80
48	16
49	84
50	85
51	17
52	89
53	90
54	18
55	94
56	95
57	19
58	99
59	100
60	20
61	104
62	105
63	21
64	109
65	110
66	22
67	114
68	115
69	23
70	119
71	120
72	24
73	124
74	125
75	25
76	129
77	130
78	26

[0, 4, 5, 1, 9, 10, 2, 14, 15, 3, 19, 20, 4, 24, 25, 5, 29, 30, 6, 34, 35, 7, 39, 40, 8, 44, 45, 9, 49, 50, 10, 54, 55, 11, 59, 60, 12, 64, 65, 13, 69, 70, 14, 74, 75, 15, 79, 80, 16, 84, 85, 17, 89, 90, 18, 94, 95, 19, 99, 100, 20, 104, 105, 21, 109, 110, 22, 114, 115, 23, 119, 120, 24, 124, 125, 25, 129, 130, 26]

cp's OEIS Frontend

A353313 If n is of the form 3k, then a(n) = k, and if n is of the form 3k+r, with r = 1 or 2, then a(n) = 5*k + 3 + r.

Table of values

List of values

n	a(n)
0	0
1	4
2	5
3	1
4	9
5	10
6	2
7	14
8	15
9	3
10	19
11	20
12	4
13	24
14	25
15	5
16	29
17	30
18	6
19	34
20	35
21	7
22	39
23	40
24	8
25	44
26	45
27	9
28	49
29	50
30	10
31	54
32	55
33	11
34	59
35	60
36	12
37	64
38	65
39	13
40	69
41	70
42	14
43	74
44	75
45	15
46	79
47	80
48	16
49	84
50	85
51	17
52	89
53	90
54	18
55	94
56	95
57	19
58	99
59	100
60	20
61	104
62	105
63	21
64	109
65	110
66	22
67	114
68	115
69	23
70	119
71	120
72	24
73	124
74	125
75	25
76	129
77	130
78	26

n	a(n)
0	0
1	4
2	5
3	1
4	9
5	10
6	2
7	14
8	15
9	3
10	19
11	20
12	4
13	24
14	25
15	5
16	29
17	30
18	6
19	34
20	35
21	7
22	39
23	40
24	8
25	44
26	45
27	9
28	49
29	50
30	10
31	54
32	55
33	11
34	59
35	60
36	12
37	64
38	65
39	13
40	69
41	70
42	14
43	74
44	75
45	15
46	79
47	80
48	16
49	84
50	85
51	17
52	89
53	90
54	18
55	94
56	95
57	19
58	99
59	100
60	20
61	104
62	105
63	21
64	109
65	110
66	22
67	114
68	115
69	23
70	119
71	120
72	24
73	124
74	125
75	25
76	129
77	130
78	26

n	a(n)
0	0
1	4
2	5
3	1
4	9
5	10
6	2
7	14
8	15
9	3
10	19
11	20
12	4
13	24
14	25
15	5
16	29
17	30
18	6
19	34
20	35
21	7
22	39
23	40
24	8
25	44
26	45
27	9
28	49
29	50
30	10
31	54
32	55
33	11
34	59
35	60
36	12
37	64
38	65
39	13
40	69
41	70
42	14
43	74
44	75
45	15
46	79
47	80
48	16
49	84
50	85
51	17
52	89
53	90
54	18
55	94
56	95
57	19
58	99
59	100
60	20
61	104
62	105
63	21
64	109
65	110
66	22
67	114
68	115
69	23
70	119
71	120
72	24
73	124
74	125
75	25
76	129
77	130
78	26