A152772 - cp's OEIS frontend

A152772 a(n) = sigma(n) - 3*d(n) + 3.

n	a(n)
1	1
2	0
3	1
4	1
5	3
6	3
7	5
8	6
9	7
10	9
11	9
12	13
13	11
14	15
15	15
16	19
17	15
18	24
19	17
20	27
21	23
22	27
23	21
24	39
25	25
26	33
27	31
28	41
29	27
30	51
31	29
32	48
33	39
34	45
35	39
36	67
37	35
38	51
39	47
40	69
41	39
42	75
43	41
44	69
45	63
46	63
47	45
48	97
49	51
50	78
51	63
52	83
53	51
54	99
55	63
56	99
57	71
58	81
59	57
60	135

[1, 0, 1, 1, 3, 3, 5, 6, 7, 9, 9, 13, 11, 15, 15, 19, 15, 24, 17, 27, 23, 27, 21, 39, 25, 33, 31, 41, 27, 51, 29, 48, 39, 45, 39, 67, 35, 51, 47, 69, 39, 75, 41, 69, 63, 63, 45, 97, 51, 78, 63, 83, 51, 99, 63, 99, 71, 81, 57, 135]

cp's OEIS Frontend

A152772 a(n) = sigma(n) - 3*d(n) + 3.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	1
5	3
6	3
7	5
8	6
9	7
10	9
11	9
12	13
13	11
14	15
15	15
16	19
17	15
18	24
19	17
20	27
21	23
22	27
23	21
24	39
25	25
26	33
27	31
28	41
29	27
30	51
31	29
32	48
33	39
34	45
35	39
36	67
37	35
38	51
39	47
40	69
41	39
42	75
43	41
44	69
45	63
46	63
47	45
48	97
49	51
50	78
51	63
52	83
53	51
54	99
55	63
56	99
57	71
58	81
59	57
60	135

n	a(n)
1	1
2	0
3	1
4	1
5	3
6	3
7	5
8	6
9	7
10	9
11	9
12	13
13	11
14	15
15	15
16	19
17	15
18	24
19	17
20	27
21	23
22	27
23	21
24	39
25	25
26	33
27	31
28	41
29	27
30	51
31	29
32	48
33	39
34	45
35	39
36	67
37	35
38	51
39	47
40	69
41	39
42	75
43	41
44	69
45	63
46	63
47	45
48	97
49	51
50	78
51	63
52	83
53	51
54	99
55	63
56	99
57	71
58	81
59	57
60	135

n	a(n)
1	1
2	0
3	1
4	1
5	3
6	3
7	5
8	6
9	7
10	9
11	9
12	13
13	11
14	15
15	15
16	19
17	15
18	24
19	17
20	27
21	23
22	27
23	21
24	39
25	25
26	33
27	31
28	41
29	27
30	51
31	29
32	48
33	39
34	45
35	39
36	67
37	35
38	51
39	47
40	69
41	39
42	75
43	41
44	69
45	63
46	63
47	45
48	97
49	51
50	78
51	63
52	83
53	51
54	99
55	63
56	99
57	71
58	81
59	57
60	135