A384839 - cp's OEIS frontend

A384839 Numbers k for which sigma(k - x) + sigma(k + x) = 6*k has at least one nonnegative solution.

n	a(n)
1	93
2	120
3	204
4	211
5	231
6	239
7	254
8	269
9	274
10	280
11	315
12	336
13	343
14	360
15	366
16	372
17	375
18	378
19	395
20	396
21	402
22	420
23	466
24	475
25	496
26	592
27	604
28	672
29	708
30	724
31	726
32	774
33	821
34	822
35	827
36	836
37	840
38	844
39	845
40	862
41	870
42	880
43	898
44	919
45	926
46	952
47	964
48	976
49	982
50	996
51	997
52	1023
53	1077
54	1080

[93, 120, 204, 211, 231, 239, 254, 269, 274, 280, 315, 336, 343, 360, 366, 372, 375, 378, 395, 396, 402, 420, 466, 475, 496, 592, 604, 672, 708, 724, 726, 774, 821, 822, 827, 836, 840, 844, 845, 862, 870, 880, 898, 919, 926, 952, 964, 976, 982, 996, 997, 1023, 1077, 1080]

cp's OEIS Frontend

A384839 Numbers k for which sigma(k - x) + sigma(k + x) = 6*k has at least one nonnegative solution.

Table of values

List of values