A054904 - cp's OEIS frontend

A054904 x = a(n) is the smallest composite number such that sigma(x+6n) = sigma(x)+6n, where sigma = A000203.

n	a(n)
1	104
2	65
3	20
4	80
5	44
6	125
7	45
8	63
9	40
10	99
11	56
12	70
13	296
14	125
15	88
16	110
17	104
18	145
19	212
20	182
21	80
22	170
23	333
24	105
25	369
26	185
27	184
28	135
29	180
30	301
31	356
32	185
33	1859
34	329
35	176
36	195
37	4916
38	434
39	612
40	287
41	140
42	185
43	776
44	255
45	524
46	413
47	344
48	205
49	272
50	329
51	567
52	215
53	320
54	469

[104, 65, 20, 80, 44, 125, 45, 63, 40, 99, 56, 70, 296, 125, 88, 110, 104, 145, 212, 182, 80, 170, 333, 105, 369, 185, 184, 135, 180, 301, 356, 185, 1859, 329, 176, 195, 4916, 434, 612, 287, 140, 185, 776, 255, 524, 413, 344, 205, 272, 329, 567, 215, 320, 469]

cp's OEIS Frontend

A054904 x = a(n) is the smallest composite number such that sigma(x+6n) = sigma(x)+6n, where sigma = A000203.

Table of values

List of values