A306427 - cp's OEIS frontend

A306427 Least integer m such that there are exactly n quadruples of distinct divisors (d_i, d_j, d_k, d_l) among the divisors of m having the property d_i * d_j - d_k * d_l = 1, for some i, j, k, l.

n	a(n)
1	28
2	84
3	120
4	240
5	360
6	252
7	210
8	660
9	1008
10	1848
11	630
12	1320
13	420
14	2310
15	840
16	4830
17	1680
18	3360
19	5880
20	11700
21	1980
22	4200
23	1260
24	9660
25	3960
26	3780
27	2520
28	6930
29	4620
30	8190
31	6300
32	7560
33	5040
34	18900
35	19320
36	5460
37	23760
38	7140
39	39600
40	15120
41	27300
42	12600
43	59220
44	45360

[28, 84, 120, 240, 360, 252, 210, 660, 1008, 1848, 630, 1320, 420, 2310, 840, 4830, 1680, 3360, 5880, 11700, 1980, 4200, 1260, 9660, 3960, 3780, 2520, 6930, 4620, 8190, 6300, 7560, 5040, 18900, 19320, 5460, 23760, 7140, 39600, 15120, 27300, 12600, 59220, 45360]

cp's OEIS Frontend

A306427 Least integer m such that there are exactly n quadruples of distinct divisors (d_i, d_j, d_k, d_l) among the divisors of m having the property d_i * d_j - d_k * d_l = 1, for some i, j, k, l.

Table of values

List of values