A365686 - cp's OEIS frontend

A365686 Numbers k such that there exists a pair of integers (m,h) where 1 <= m < floor(sqrt(k)/2) <= h that satisfy Sum_{j=0..m} (k-j)^2 = Sum_{i=1..m} (h+i)^2.

n	a(n)
1	4
2	12
3	21
4	24
5	40
6	60
7	84
8	110
9	112
10	120
11	144
12	180
13	220
14	264
15	312
16	315
17	364
18	420
19	480
20	544
21	612
22	684
23	697
24	760
25	820
26	840
27	924
28	1012
29	1080
30	1104
31	1200
32	1265
33	1300
34	1404
35	1512
36	1624
37	1740
38	1860
39	1984
40	2106
41	2112
42	2244
43	2380
44	2520
45	2664
46	2812
47	2964
48	3120
49	3255

[4, 12, 21, 24, 40, 60, 84, 110, 112, 120, 144, 180, 220, 264, 312, 315, 364, 420, 480, 544, 612, 684, 697, 760, 820, 840, 924, 1012, 1080, 1104, 1200, 1265, 1300, 1404, 1512, 1624, 1740, 1860, 1984, 2106, 2112, 2244, 2380, 2520, 2664, 2812, 2964, 3120, 3255]

cp's OEIS Frontend

A365686 Numbers k such that there exists a pair of integers (m,h) where 1 <= m < floor(sqrt(k)/2) <= h that satisfy Sum_{j=0..m} (k-j)^2 = Sum_{i=1..m} (h+i)^2.

Table of values

List of values