A370123 - cp's OEIS frontend

A370123 Numbers whose second arithmetic derivative (A068346) is a multiple of 3.

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	11
8	13
9	14
10	15
11	17
12	19
13	23
14	24
15	27
16	29
17	31
18	33
19	37
20	40
21	41
22	43
23	47
24	48
25	49
26	50
27	51
28	53
29	54
30	56
31	59
32	60
33	61
34	65
35	67
36	68
37	69
38	71
39	73
40	77
41	79
42	81
43	83
44	86
45	89
46	91
47	97
48	98
49	101
50	103
51	104
52	107
53	108
54	109
55	113
56	122
57	123
58	127
59	131
60	132
61	133
62	135
63	136
64	137
65	139
66	140
67	141
68	149
69	150
70	151
71	152
72	155
73	157
74	158

[0, 1, 2, 3, 5, 7, 11, 13, 14, 15, 17, 19, 23, 24, 27, 29, 31, 33, 37, 40, 41, 43, 47, 48, 49, 50, 51, 53, 54, 56, 59, 60, 61, 65, 67, 68, 69, 71, 73, 77, 79, 81, 83, 86, 89, 91, 97, 98, 101, 103, 104, 107, 108, 109, 113, 122, 123, 127, 131, 132, 133, 135, 136, 137, 139, 140, 141, 149, 150, 151, 152, 155, 157, 158]

cp's OEIS Frontend

A370123 Numbers whose second arithmetic derivative (A068346) is a multiple of 3.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	11
8	13
9	14
10	15
11	17
12	19
13	23
14	24
15	27
16	29
17	31
18	33
19	37
20	40
21	41
22	43
23	47
24	48
25	49
26	50
27	51
28	53
29	54
30	56
31	59
32	60
33	61
34	65
35	67
36	68
37	69
38	71
39	73
40	77
41	79
42	81
43	83
44	86
45	89
46	91
47	97
48	98
49	101
50	103
51	104
52	107
53	108
54	109
55	113
56	122
57	123
58	127
59	131
60	132
61	133
62	135
63	136
64	137
65	139
66	140
67	141
68	149
69	150
70	151
71	152
72	155
73	157
74	158

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	11
8	13
9	14
10	15
11	17
12	19
13	23
14	24
15	27
16	29
17	31
18	33
19	37
20	40
21	41
22	43
23	47
24	48
25	49
26	50
27	51
28	53
29	54
30	56
31	59
32	60
33	61
34	65
35	67
36	68
37	69
38	71
39	73
40	77
41	79
42	81
43	83
44	86
45	89
46	91
47	97
48	98
49	101
50	103
51	104
52	107
53	108
54	109
55	113
56	122
57	123
58	127
59	131
60	132
61	133
62	135
63	136
64	137
65	139
66	140
67	141
68	149
69	150
70	151
71	152
72	155
73	157
74	158

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	11
8	13
9	14
10	15
11	17
12	19
13	23
14	24
15	27
16	29
17	31
18	33
19	37
20	40
21	41
22	43
23	47
24	48
25	49
26	50
27	51
28	53
29	54
30	56
31	59
32	60
33	61
34	65
35	67
36	68
37	69
38	71
39	73
40	77
41	79
42	81
43	83
44	86
45	89
46	91
47	97
48	98
49	101
50	103
51	104
52	107
53	108
54	109
55	113
56	122
57	123
58	127
59	131
60	132
61	133
62	135
63	136
64	137
65	139
66	140
67	141
68	149
69	150
70	151
71	152
72	155
73	157
74	158