A048127 - cp's OEIS frontend

A048127 Becomes prime or 4 after exactly 5 iterations of f(x) = sum of prime factors of x.

n	a(n)
1	62
2	69
3	74
4	94
5	106
6	116
7	123
8	133
9	169
10	178
11	188
12	190
13	201
14	206
15	228
16	238
17	244
18	254
19	259
20	267
21	286
22	291
23	292
24	305
25	321
26	327
27	340
28	344
29	365
30	366
31	370
32	381
33	387
34	395
35	403
36	404
37	408
38	411
39	413
40	438
41	444
42	446
43	453
44	459
45	465
46	471
47	472
48	474
49	482
50	483
51	484
52	496

[62, 69, 74, 94, 106, 116, 123, 133, 169, 178, 188, 190, 201, 206, 228, 238, 244, 254, 259, 267, 286, 291, 292, 305, 321, 327, 340, 344, 365, 366, 370, 381, 387, 395, 403, 404, 408, 411, 413, 438, 444, 446, 453, 459, 465, 471, 472, 474, 482, 483, 484, 496]

cp's OEIS Frontend

A048127 Becomes prime or 4 after exactly 5 iterations of f(x) = sum of prime factors of x.

Table of values

List of values

n	a(n)
1	62
2	69
3	74
4	94
5	106
6	116
7	123
8	133
9	169
10	178
11	188
12	190
13	201
14	206
15	228
16	238
17	244
18	254
19	259
20	267
21	286
22	291
23	292
24	305
25	321
26	327
27	340
28	344
29	365
30	366
31	370
32	381
33	387
34	395
35	403
36	404
37	408
38	411
39	413
40	438
41	444
42	446
43	453
44	459
45	465
46	471
47	472
48	474
49	482
50	483
51	484
52	496

n	a(n)
1	62
2	69
3	74
4	94
5	106
6	116
7	123
8	133
9	169
10	178
11	188
12	190
13	201
14	206
15	228
16	238
17	244
18	254
19	259
20	267
21	286
22	291
23	292
24	305
25	321
26	327
27	340
28	344
29	365
30	366
31	370
32	381
33	387
34	395
35	403
36	404
37	408
38	411
39	413
40	438
41	444
42	446
43	453
44	459
45	465
46	471
47	472
48	474
49	482
50	483
51	484
52	496

n	a(n)
1	62
2	69
3	74
4	94
5	106
6	116
7	123
8	133
9	169
10	178
11	188
12	190
13	201
14	206
15	228
16	238
17	244
18	254
19	259
20	267
21	286
22	291
23	292
24	305
25	321
26	327
27	340
28	344
29	365
30	366
31	370
32	381
33	387
34	395
35	403
36	404
37	408
38	411
39	413
40	438
41	444
42	446
43	453
44	459
45	465
46	471
47	472
48	474
49	482
50	483
51	484
52	496