A189036 - cp's OEIS frontend

A189036 a(n)= lcm(n,n')/gcd(n,n'), where n' is the arithmetic derivative of n.

n	a(n)
1	0
2	2
3	3
4	1
5	5
6	30
7	7
8	6
9	6
10	70
11	11
12	12
13	13
14	126
15	120
16	2
17	17
18	42
19	19
20	30
21	210
22	286
23	23
24	66
25	10
26	390
27	1
28	56
29	29
30	930
31	31
32	10
33	462
34	646
35	420
36	15
37	37
38	798
39	624
40	170
41	41
42	1722
43	43
44	132
45	195
46	1150
47	47
48	21
49	14
50	90
51	1020
52	182
53	53
54	6
55	880
56	322
57	1254
58	1798
59	59
60	345
61	61
62	2046
63	357
64	3
65	1170
66	4026
67	67
68	306
69	1794
70	4130
71	71
72	78
73	73
74	2886
75	165
76	380
77	1386
78	5538
79	79
80	55
81	12
82	3526
83	83
84	651
85	1870
86	3870
87	2784
88	770
89	89
90	1230
91	1820
92	552
93	3162
94	4606
95	2280
96	102
97	97
98	154
99	825
100	35

[0, 2, 3, 1, 5, 30, 7, 6, 6, 70, 11, 12, 13, 126, 120, 2, 17, 42, 19, 30, 210, 286, 23, 66, 10, 390, 1, 56, 29, 930, 31, 10, 462, 646, 420, 15, 37, 798, 624, 170, 41, 1722, 43, 132, 195, 1150, 47, 21, 14, 90, 1020, 182, 53, 6, 880, 322, 1254, 1798, 59, 345, 61, 2046, 357, 3, 1170, 4026, 67, 306, 1794, 4130, 71, 78, 73, 2886, 165, 380, 1386, 5538, 79, 55, 12, 3526, 83, 651, 1870, 3870, 2784, 770, 89, 1230, 1820, 552, 3162, 4606, 2280, 102, 97, 154, 825, 35]

cp's OEIS Frontend

A189036 a(n)= lcm(n,n')/gcd(n,n'), where n' is the arithmetic derivative of n.

Table of values

List of values