A120644 - cp's OEIS frontend

A120644 Area common to integer-sided isosceles triangles (x,x,y) and (x,x,z=y+2d), sorted on x > z/2, d being positive.

n	a(n)
1	12
2	60
3	120
4	168
5	420
6	420
7	360
8	1260
9	660
10	1848
11	1008
12	2640
13	2772
14	1092
15	3120
16	4680
17	1980
18	5460
19	1680
20	5148
21	9240
22	3432
23	2448
24	7140
25	11220
26	14280
27	8580
28	3420
29	15912
30	10032
31	15960
32	5460
33	20748
34	15708
35	23940
36	4620
37	13260
38	21840
39	25080
40	8160
41	23712

[12, 60, 120, 168, 420, 420, 360, 1260, 660, 1848, 1008, 2640, 2772, 1092, 3120, 4680, 1980, 5460, 1680, 5148, 9240, 3432, 2448, 7140, 11220, 14280, 8580, 3420, 15912, 10032, 15960, 5460, 20748, 15708, 23940, 4620, 13260, 21840, 25080, 8160, 23712]

cp's OEIS Frontend

A120644 Area common to integer-sided isosceles triangles (x,x,y) and (x,x,z=y+2d), sorted on x > z/2, d being positive.

Table of values

List of values