A081000 - cp's OEIS frontend

A081000 n is a member if and only if it ranks among top n positive integers in centrality (cf. A080997 for fuller description of this concept).

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	15
11	16
12	18
13	20
14	21
15	24
16	27
17	28
18	30
19	32
20	36
21	40
22	42
23	44
24	45
25	48
26	50
27	52
28	54
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	75
38	76
39	78
40	80
41	84
42	88
43	90
44	96
45	98
46	99
47	100
48	102
49	104
50	105
51	108
52	110
53	112
54	114
55	117
56	120

[1, 2, 3, 4, 6, 8, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 36, 40, 42, 44, 45, 48, 50, 52, 54, 56, 60, 63, 64, 66, 68, 70, 72, 75, 76, 78, 80, 84, 88, 90, 96, 98, 99, 100, 102, 104, 105, 108, 110, 112, 114, 117, 120]

cp's OEIS Frontend

A081000 n is a member if and only if it ranks among top n positive integers in centrality (cf. A080997 for fuller description of this concept).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	15
11	16
12	18
13	20
14	21
15	24
16	27
17	28
18	30
19	32
20	36
21	40
22	42
23	44
24	45
25	48
26	50
27	52
28	54
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	75
38	76
39	78
40	80
41	84
42	88
43	90
44	96
45	98
46	99
47	100
48	102
49	104
50	105
51	108
52	110
53	112
54	114
55	117
56	120

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	15
11	16
12	18
13	20
14	21
15	24
16	27
17	28
18	30
19	32
20	36
21	40
22	42
23	44
24	45
25	48
26	50
27	52
28	54
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	75
38	76
39	78
40	80
41	84
42	88
43	90
44	96
45	98
46	99
47	100
48	102
49	104
50	105
51	108
52	110
53	112
54	114
55	117
56	120

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	10
8	12
9	14
10	15
11	16
12	18
13	20
14	21
15	24
16	27
17	28
18	30
19	32
20	36
21	40
22	42
23	44
24	45
25	48
26	50
27	52
28	54
29	56
30	60
31	63
32	64
33	66
34	68
35	70
36	72
37	75
38	76
39	78
40	80
41	84
42	88
43	90
44	96
45	98
46	99
47	100
48	102
49	104
50	105
51	108
52	110
53	112
54	114
55	117
56	120