A373494 - cp's OEIS frontend

A373494 Numbers k for which A059975(k) and A003415(k) are both multiples of 3, where A059975 is fully additive with a(p) = p-1, and A003415 is the arithmetic derivative.

n	a(n)
1	1
2	8
3	20
4	27
5	36
6	44
7	50
8	64
9	68
10	90
11	92
12	110
13	116
14	125
15	160
16	162
17	164
18	170
19	188
20	189
21	198
22	212
23	216
24	225
25	230
26	236
27	242
28	252
29	275
30	284
31	288
32	290
33	306
34	332
35	343
36	351
37	352
38	356
39	374
40	400
41	404
42	405
43	410
44	414
45	425
46	428
47	452
48	468
49	470
50	495
51	506
52	512
53	513
54	522
55	524
56	530
57	540
58	544
59	548
60	575
61	578
62	590
63	596
64	605
65	630
66	637

[1, 8, 20, 27, 36, 44, 50, 64, 68, 90, 92, 110, 116, 125, 160, 162, 164, 170, 188, 189, 198, 212, 216, 225, 230, 236, 242, 252, 275, 284, 288, 290, 306, 332, 343, 351, 352, 356, 374, 400, 404, 405, 410, 414, 425, 428, 452, 468, 470, 495, 506, 512, 513, 522, 524, 530, 540, 544, 548, 575, 578, 590, 596, 605, 630, 637]

cp's OEIS Frontend

A373494 Numbers k for which A059975(k) and A003415(k) are both multiples of 3, where A059975 is fully additive with a(p) = p-1, and A003415 is the arithmetic derivative.

Table of values

List of values

n	a(n)
1	1
2	8
3	20
4	27
5	36
6	44
7	50
8	64
9	68
10	90
11	92
12	110
13	116
14	125
15	160
16	162
17	164
18	170
19	188
20	189
21	198
22	212
23	216
24	225
25	230
26	236
27	242
28	252
29	275
30	284
31	288
32	290
33	306
34	332
35	343
36	351
37	352
38	356
39	374
40	400
41	404
42	405
43	410
44	414
45	425
46	428
47	452
48	468
49	470
50	495
51	506
52	512
53	513
54	522
55	524
56	530
57	540
58	544
59	548
60	575
61	578
62	590
63	596
64	605
65	630
66	637

n	a(n)
1	1
2	8
3	20
4	27
5	36
6	44
7	50
8	64
9	68
10	90
11	92
12	110
13	116
14	125
15	160
16	162
17	164
18	170
19	188
20	189
21	198
22	212
23	216
24	225
25	230
26	236
27	242
28	252
29	275
30	284
31	288
32	290
33	306
34	332
35	343
36	351
37	352
38	356
39	374
40	400
41	404
42	405
43	410
44	414
45	425
46	428
47	452
48	468
49	470
50	495
51	506
52	512
53	513
54	522
55	524
56	530
57	540
58	544
59	548
60	575
61	578
62	590
63	596
64	605
65	630
66	637

n	a(n)
1	1
2	8
3	20
4	27
5	36
6	44
7	50
8	64
9	68
10	90
11	92
12	110
13	116
14	125
15	160
16	162
17	164
18	170
19	188
20	189
21	198
22	212
23	216
24	225
25	230
26	236
27	242
28	252
29	275
30	284
31	288
32	290
33	306
34	332
35	343
36	351
37	352
38	356
39	374
40	400
41	404
42	405
43	410
44	414
45	425
46	428
47	452
48	468
49	470
50	495
51	506
52	512
53	513
54	522
55	524
56	530
57	540
58	544
59	548
60	575
61	578
62	590
63	596
64	605
65	630
66	637