A359545 - cp's OEIS frontend

A359545 Numbers that eventually reach zero when iterated with the arithmetic derivative (i.e., are in A099308), but some of their proper divisors will never reach it.

n	a(n)
1	30
2	70
3	78
4	105
5	126
6	130
7	138
8	150
9	165
10	174
11	182
12	222
13	238
14	246
15	255
16	258
17	266
18	273
19	282
20	285
21	286
22	306
23	310
24	315
25	318
26	333
27	338
28	342
29	345
30	350
31	357
32	366
33	369
34	370
35	375
36	385
37	390
38	399
39	402
40	414
41	426
42	430
43	442
44	455
45	465
46	474
47	483
48	490
49	494
50	495
51	498
52	510
53	518
54	530
55	546
56	549
57	550
58	555
59	561
60	570
61	574
62	575

[30, 70, 78, 105, 126, 130, 138, 150, 165, 174, 182, 222, 238, 246, 255, 258, 266, 273, 282, 285, 286, 306, 310, 315, 318, 333, 338, 342, 345, 350, 357, 366, 369, 370, 375, 385, 390, 399, 402, 414, 426, 430, 442, 455, 465, 474, 483, 490, 494, 495, 498, 510, 518, 530, 546, 549, 550, 555, 561, 570, 574, 575]

cp's OEIS Frontend

A359545 Numbers that eventually reach zero when iterated with the arithmetic derivative (i.e., are in A099308), but some of their proper divisors will never reach it.

Table of values

List of values

n	a(n)
1	30
2	70
3	78
4	105
5	126
6	130
7	138
8	150
9	165
10	174
11	182
12	222
13	238
14	246
15	255
16	258
17	266
18	273
19	282
20	285
21	286
22	306
23	310
24	315
25	318
26	333
27	338
28	342
29	345
30	350
31	357
32	366
33	369
34	370
35	375
36	385
37	390
38	399
39	402
40	414
41	426
42	430
43	442
44	455
45	465
46	474
47	483
48	490
49	494
50	495
51	498
52	510
53	518
54	530
55	546
56	549
57	550
58	555
59	561
60	570
61	574
62	575

n	a(n)
1	30
2	70
3	78
4	105
5	126
6	130
7	138
8	150
9	165
10	174
11	182
12	222
13	238
14	246
15	255
16	258
17	266
18	273
19	282
20	285
21	286
22	306
23	310
24	315
25	318
26	333
27	338
28	342
29	345
30	350
31	357
32	366
33	369
34	370
35	375
36	385
37	390
38	399
39	402
40	414
41	426
42	430
43	442
44	455
45	465
46	474
47	483
48	490
49	494
50	495
51	498
52	510
53	518
54	530
55	546
56	549
57	550
58	555
59	561
60	570
61	574
62	575

n	a(n)
1	30
2	70
3	78
4	105
5	126
6	130
7	138
8	150
9	165
10	174
11	182
12	222
13	238
14	246
15	255
16	258
17	266
18	273
19	282
20	285
21	286
22	306
23	310
24	315
25	318
26	333
27	338
28	342
29	345
30	350
31	357
32	366
33	369
34	370
35	375
36	385
37	390
38	399
39	402
40	414
41	426
42	430
43	442
44	455
45	465
46	474
47	483
48	490
49	494
50	495
51	498
52	510
53	518
54	530
55	546
56	549
57	550
58	555
59	561
60	570
61	574
62	575