A238961 - cp's OEIS frontend

A238961 The size (the number of arcs) in the transitive closure of divisor lattice in graded colexicographic 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	84
23	115
24	156
25	189
26	238
27	288
28	438
29	665
30	28
31	70
32	108
33	130
34	165
35	240
36	268
37	324
38	365
39	492
40	594
41	746
42	900
43	1362
44	2059
45	36
46	92
47	147
48	186
49	200
50	224
51	342
52	410
53	495
54	552
55	519
56	750
57	836
58	1008
59	1215
60	1135
61	1524
62	1836
63	2302
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, 84, 115, 156, 189, 238, 288, 438, 665, 28, 70, 108, 130, 165, 240, 268, 324, 365, 492, 594, 746, 900, 1362, 2059, 36, 92, 147, 186, 200, 224, 342, 410, 495, 552, 519, 750, 836, 1008, 1215, 1135, 1524, 1836, 2302, 2772, 4182, 6305]

cp's OEIS Frontend

A238961 The size (the number of arcs) in the transitive closure of divisor lattice in graded colexicographic order.

Table of values

List of values