A152986 - cp's OEIS frontend

A152986 Sum of proper divisors minus the number of proper divisors of pentagonal number A000326(n).

n	a(n)
1	0
2	0
3	11
4	11
5	10
6	18
7	67
8	71
9	60
10	32
11	187
12	351
13	30
14	46
15	519
16	337
17	128
18	220
19	577
20	483
21	366
22	286
23	507
24	1153
25	248
26	336
27	2489
28	847
29	70
30	818
31	871
32	2181
33	1108
34	116
35	2861
36	2275
37	694
38	130
39	2763
40	3645
41	100
42	2352
43	2823
44	1863
45	2278
46	158
47	3607
48	6617
49	636
50	920
51	6181
52	4019

[0, 0, 11, 11, 10, 18, 67, 71, 60, 32, 187, 351, 30, 46, 519, 337, 128, 220, 577, 483, 366, 286, 507, 1153, 248, 336, 2489, 847, 70, 818, 871, 2181, 1108, 116, 2861, 2275, 694, 130, 2763, 3645, 100, 2352, 2823, 1863, 2278, 158, 3607, 6617, 636, 920, 6181, 4019]

cp's OEIS Frontend

A152986 Sum of proper divisors minus the number of proper divisors of pentagonal number A000326(n).

Table of values

List of values