A057421 - cp's OEIS frontend

A057421 Consider the solutions to k = a+b = xy and ab = k(x+y) where k, a, b, x, and y are all positive integers, ordered by increasing k and, in case of ties, by increasing x. Sequence gives values of ab.

n	a(n)
1	1024
2	1296
3	1458
4	2500
5	2592
6	3750
7	3072
8	6480
9	11250
10	15552
11	14580
12	52500
13	22500
14	46080
15	57024
16	163296
17	78750
18	101376
19	306250
20	291600
21	473850
22	453600
23	1968750
24	1305600
25	2095632
26	652500
27	1632960
28	13162500
29	3442500
30	2114100
31	4353750
32	28540512
33	9722592
34	20944170

[1024, 1296, 1458, 2500, 2592, 3750, 3072, 6480, 11250, 15552, 14580, 52500, 22500, 46080, 57024, 163296, 78750, 101376, 306250, 291600, 473850, 453600, 1968750, 1305600, 2095632, 652500, 1632960, 13162500, 3442500, 2114100, 4353750, 28540512, 9722592, 20944170]

cp's OEIS Frontend

A057421 Consider the solutions to k = a+b = xy and ab = k(x+y) where k, a, b, x, and y are all positive integers, ordered by increasing k and, in case of ties, by increasing x. Sequence gives values of ab.

Table of values

List of values

cp's OEIS Frontend

A057421 Consider the solutions to k = a+b = x*y and a*b = k*(x+y) where k, a, b, x, and y are all positive integers, ordered by increasing k and, in case of ties, by increasing x. Sequence gives values of a*b.

Table of values

List of values

A057421 Consider the solutions to k = a+b = xy and ab = k(x+y) where k, a, b, x, and y are all positive integers, ordered by increasing k and, in case of ties, by increasing x. Sequence gives values of ab.