A352844 - cp's OEIS frontend

A352844 Smallest k > 1 such that sopfr(k) - tau(k) = n, or -1 if no such k exists.

n	a(n)
0	2
1	3
2	8
3	5
4	15
5	7
6	21
7	25
8	35
9	11
10	33
11	13
12	39
13	117
14	65
15	17
16	51
17	19
18	57
19	121
20	95
21	23
22	69
23	169
24	115
25	483
26	161
27	29
28	87
29	31
30	93
31	279
32	155
33	651
34	217
35	37
36	111
37	333
38	185
39	41
40	123
41	43
42	129
43	387
44	215
45	47
46	141
47	423
48	235
49	954
50	318
51	53
52	159
53	477
54	265
55	841
56	354
57	59
58	177
59	61

[2, 3, 8, 5, 15, 7, 21, 25, 35, 11, 33, 13, 39, 117, 65, 17, 51, 19, 57, 121, 95, 23, 69, 169, 115, 483, 161, 29, 87, 31, 93, 279, 155, 651, 217, 37, 111, 333, 185, 41, 123, 43, 129, 387, 215, 47, 141, 423, 235, 954, 318, 53, 159, 477, 265, 841, 354, 59, 177, 61]

cp's OEIS Frontend

A352844 Smallest k > 1 such that sopfr(k) - tau(k) = n, or -1 if no such k exists.

Table of values

List of values

n	a(n)
0	2
1	3
2	8
3	5
4	15
5	7
6	21
7	25
8	35
9	11
10	33
11	13
12	39
13	117
14	65
15	17
16	51
17	19
18	57
19	121
20	95
21	23
22	69
23	169
24	115
25	483
26	161
27	29
28	87
29	31
30	93
31	279
32	155
33	651
34	217
35	37
36	111
37	333
38	185
39	41
40	123
41	43
42	129
43	387
44	215
45	47
46	141
47	423
48	235
49	954
50	318
51	53
52	159
53	477
54	265
55	841
56	354
57	59
58	177
59	61

n	a(n)
0	2
1	3
2	8
3	5
4	15
5	7
6	21
7	25
8	35
9	11
10	33
11	13
12	39
13	117
14	65
15	17
16	51
17	19
18	57
19	121
20	95
21	23
22	69
23	169
24	115
25	483
26	161
27	29
28	87
29	31
30	93
31	279
32	155
33	651
34	217
35	37
36	111
37	333
38	185
39	41
40	123
41	43
42	129
43	387
44	215
45	47
46	141
47	423
48	235
49	954
50	318
51	53
52	159
53	477
54	265
55	841
56	354
57	59
58	177
59	61

n	a(n)
0	2
1	3
2	8
3	5
4	15
5	7
6	21
7	25
8	35
9	11
10	33
11	13
12	39
13	117
14	65
15	17
16	51
17	19
18	57
19	121
20	95
21	23
22	69
23	169
24	115
25	483
26	161
27	29
28	87
29	31
30	93
31	279
32	155
33	651
34	217
35	37
36	111
37	333
38	185
39	41
40	123
41	43
42	129
43	387
44	215
45	47
46	141
47	423
48	235
49	954
50	318
51	53
52	159
53	477
54	265
55	841
56	354
57	59
58	177
59	61