A073722 - cp's OEIS frontend

A073722 Least k such that sigma(k) mod primepi(k) = n or zero if no such number exists.

n	a(n)
0	2
1	4
2	10
3	8
4	17
5	42
6	23
7	111
8	32
9	59
10	31
11	67
12	49
13	110
14	63
15	60
16	82
17	84
18	89
19	75
20	191
21	98
22	141
23	97
24	101
25	256
26	171
27	169
28	148
29	144
30	140
31	159
32	143
33	222
34	220
35	172
36	206
37	2124
38	183
39	315
40	263
41	567
42	201
43	358
44	204
45	470
46	243
47	391
48	264
49	563
50	295
51	382
52	290
53	285
54	313
55	324
56	307

[2, 4, 10, 8, 17, 42, 23, 111, 32, 59, 31, 67, 49, 110, 63, 60, 82, 84, 89, 75, 191, 98, 141, 97, 101, 256, 171, 169, 148, 144, 140, 159, 143, 222, 220, 172, 206, 2124, 183, 315, 263, 567, 201, 358, 204, 470, 243, 391, 264, 563, 295, 382, 290, 285, 313, 324, 307]

cp's OEIS Frontend

A073722 Least k such that sigma(k) mod primepi(k) = n or zero if no such number exists.

Table of values

List of values