A064796 - cp's OEIS frontend

A064796 Largest integer m such that every permutation (p_1, ..., p_n) of (1, ..., n) satisfies p_i * p_{i+1} >= m for some i, 1 <= i <= n, where p_{n+1} = p_1.

n	a(n)
1	1
2	2
3	6
4	8
5	12
6	15
7	20
8	24
9	30
10	35
11	42
12	48
13	56
14	63
15	72
16	80
17	90
18	99
19	110
20	120
21	132
22	143
23	156
24	168
25	182
26	195
27	210
28	224
29	240
30	255
31	272
32	288
33	306
34	323
35	342
36	360
37	380
38	399
39	420
40	440
41	462
42	483
43	506
44	528
45	552
46	575
47	600
48	624
49	650
50	675
51	702
52	728
53	756
54	783
55	812
56	840
57	870

[1, 2, 6, 8, 12, 15, 20, 24, 30, 35, 42, 48, 56, 63, 72, 80, 90, 99, 110, 120, 132, 143, 156, 168, 182, 195, 210, 224, 240, 255, 272, 288, 306, 323, 342, 360, 380, 399, 420, 440, 462, 483, 506, 528, 552, 575, 600, 624, 650, 675, 702, 728, 756, 783, 812, 840, 870]

cp's OEIS Frontend

A064796 Largest integer m such that every permutation (p_1, ..., p_n) of (1, ..., n) satisfies p_i * p_{i+1} >= m for some i, 1 <= i <= n, where p_{n+1} = p_1.

Table of values

List of values

n	a(n)
1	1
2	2
3	6
4	8
5	12
6	15
7	20
8	24
9	30
10	35
11	42
12	48
13	56
14	63
15	72
16	80
17	90
18	99
19	110
20	120
21	132
22	143
23	156
24	168
25	182
26	195
27	210
28	224
29	240
30	255
31	272
32	288
33	306
34	323
35	342
36	360
37	380
38	399
39	420
40	440
41	462
42	483
43	506
44	528
45	552
46	575
47	600
48	624
49	650
50	675
51	702
52	728
53	756
54	783
55	812
56	840
57	870

n	a(n)
1	1
2	2
3	6
4	8
5	12
6	15
7	20
8	24
9	30
10	35
11	42
12	48
13	56
14	63
15	72
16	80
17	90
18	99
19	110
20	120
21	132
22	143
23	156
24	168
25	182
26	195
27	210
28	224
29	240
30	255
31	272
32	288
33	306
34	323
35	342
36	360
37	380
38	399
39	420
40	440
41	462
42	483
43	506
44	528
45	552
46	575
47	600
48	624
49	650
50	675
51	702
52	728
53	756
54	783
55	812
56	840
57	870

n	a(n)
1	1
2	2
3	6
4	8
5	12
6	15
7	20
8	24
9	30
10	35
11	42
12	48
13	56
14	63
15	72
16	80
17	90
18	99
19	110
20	120
21	132
22	143
23	156
24	168
25	182
26	195
27	210
28	224
29	240
30	255
31	272
32	288
33	306
34	323
35	342
36	360
37	380
38	399
39	420
40	440
41	462
42	483
43	506
44	528
45	552
46	575
47	600
48	624
49	650
50	675
51	702
52	728
53	756
54	783
55	812
56	840
57	870