A238974 - cp's OEIS frontend

A238974 The size (the number of arcs) in the transitive closure of divisor lattice in canonical order.

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	12
6	19
7	10
8	22
9	27
10	42
11	65
12	15
13	35
14	48
15	74
16	90
17	138
18	211
19	21
20	51
21	75
22	115
23	84
24	156
25	238
26	189
27	288
28	438
29	665
30	28
31	70
32	108
33	165
34	130
35	240
36	365
37	268
38	324
39	492
40	746
41	594
42	900
43	1362
44	2059
45	36
46	92
47	147
48	224
49	186
50	342
51	519
52	200
53	410
54	495
55	750
56	1135
57	552
58	836
59	1008
60	1524
61	2302
62	1215
63	1836
64	2772
65	4182
66	6305

[0, 1, 3, 5, 6, 12, 19, 10, 22, 27, 42, 65, 15, 35, 48, 74, 90, 138, 211, 21, 51, 75, 115, 84, 156, 238, 189, 288, 438, 665, 28, 70, 108, 165, 130, 240, 365, 268, 324, 492, 746, 594, 900, 1362, 2059, 36, 92, 147, 224, 186, 342, 519, 200, 410, 495, 750, 1135, 552, 836, 1008, 1524, 2302, 1215, 1836, 2772, 4182, 6305]

cp's OEIS Frontend

A238974 The size (the number of arcs) in the transitive closure of divisor lattice in canonical order.

Table of values

List of values