A336493 - cp's OEIS frontend

A336493 a(n) is the largest integer x such that x/sopf(x) = prime(n) where sopf(x) is the sum of distinct prime factors of x and prime(n) is the n-th prime.

n	a(n)
1	4
2	30
3	70
4	105
5	286
6	260
7	646
8	627
9	897
10	1798
11	1581
12	1924
13	3526
14	2967
15	3055
16	3339
17	7198
18	3721
19	6164
20	10366
21	5840
22	9717
23	10707
24	9256
25	9409
26	20806
27	16377
28	23326
29	16132
30	12769
31	21844
32	26331
33	38086
34	29607
35	44998
36	22801
37	33284
38	40587
39	35905
40	29929
41	64798
42	44164
43	73726

[4, 30, 70, 105, 286, 260, 646, 627, 897, 1798, 1581, 1924, 3526, 2967, 3055, 3339, 7198, 3721, 6164, 10366, 5840, 9717, 10707, 9256, 9409, 20806, 16377, 23326, 16132, 12769, 21844, 26331, 38086, 29607, 44998, 22801, 33284, 40587, 35905, 29929, 64798, 44164, 73726]

cp's OEIS Frontend

A336493 a(n) is the largest integer x such that x/sopf(x) = prime(n) where sopf(x) is the sum of distinct prime factors of x and prime(n) is the n-th prime.

Table of values

List of values