A306013 - cp's OEIS frontend

A306013 Let P(m) be the product of unitary divisors of m; then a(n) is the position of P(n) when all the numbers P(m) are arranged in increasing order.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	11
10	13
11	16
12	17
13	19
14	23
15	25
16	27
17	29
18	31
19	32
20	36
21	37
22	41
23	43
24	47
25	49
26	53
27	59
28	61
29	64
30	67
31	71
32	73
33	79
34	81
35	83
36	89
37	97
38	100
39	144
40	196
41	225
42	324
43	400
44	441
45	484
46	576
47	676
48	784
49	1089
50	1156
51	1225
52	1296
53	1444
54	1521
55	1600
56	1936
57	2025
58	2116

[1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 36, 37, 41, 43, 47, 49, 53, 59, 61, 64, 67, 71, 73, 79, 81, 83, 89, 97, 100, 144, 196, 225, 324, 400, 441, 484, 576, 676, 784, 1089, 1156, 1225, 1296, 1444, 1521, 1600, 1936, 2025, 2116]

cp's OEIS Frontend

A306013 Let P(m) be the product of unitary divisors of m; then a(n) is the position of P(n) when all the numbers P(m) are arranged in increasing order.

Table of values

List of values