A057373 - cp's OEIS frontend

A057373 Numbers k that can be expressed as k = w + x = yz with wx = y^2 + z^2 where w, x, y, and z are all positive integers.

n	a(n)
1	9
2	18
3	45
4	90
5	117
6	306
7	522
8	585
9	801
10	1305
11	2097
12	3042
13	3978
14	5490
15	8730
16	14373
17	17730
18	19485
19	22698
20	27234
21	37629
22	44109
23	98514
24	103338
25	113013
26	130365
27	155025
28	186633
29	257913
30	290970
31	405450
32	602298
33	675225
34	884637
35	1279170
36	1498185
37	1767762
38	1946745

[9, 18, 45, 90, 117, 306, 522, 585, 801, 1305, 2097, 3042, 3978, 5490, 8730, 14373, 17730, 19485, 22698, 27234, 37629, 44109, 98514, 103338, 113013, 130365, 155025, 186633, 257913, 290970, 405450, 602298, 675225, 884637, 1279170, 1498185, 1767762, 1946745]

cp's OEIS Frontend

A057373 Numbers k that can be expressed as k = w + x = yz with wx = y^2 + z^2 where w, x, y, and z are all positive integers.

Table of values

List of values

cp's OEIS Frontend

A057373 Numbers k that can be expressed as k = w + x = y*z with w*x = y^2 + z^2 where w, x, y, and z are all positive integers.

Table of values

List of values

A057373 Numbers k that can be expressed as k = w + x = yz with wx = y^2 + z^2 where w, x, y, and z are all positive integers.