A228182 - cp's OEIS frontend

A228182 a(n) is the smallest k such that the sum of squares of prime divisors of k is equal to the sum of prime divisors of n+k.

n	a(n)
1	12
2	810
3	35152
4	18
5	9
6	67881
7	6
8	36
9	20
10	12
11	3
12	7203
13	14688
14	162
15	350
16	6
17	81
18	75
19	9
20	24
21	25
22	3648
23	37905
24	2125
25	3
26	18
27	455
28	225
29	27
30	3800
31	81
32	12
33	343
34	54
35	26730
36	1540
37	180
38	6
39	14
40	48
41	5
42	10010
43	96348
44	798
45	49
46	360
47	9
48	45
49	3430
50	192
51	126
52	36
53	3
54	225
55	729
56	648

[12, 810, 35152, 18, 9, 67881, 6, 36, 20, 12, 3, 7203, 14688, 162, 350, 6, 81, 75, 9, 24, 25, 3648, 37905, 2125, 3, 18, 455, 225, 27, 3800, 81, 12, 343, 54, 26730, 1540, 180, 6, 14, 48, 5, 10010, 96348, 798, 49, 360, 9, 45, 3430, 192, 126, 36, 3, 225, 729, 648]

cp's OEIS Frontend

A228182 a(n) is the smallest k such that the sum of squares of prime divisors of k is equal to the sum of prime divisors of n+k.

Table of values

List of values