A253805 - cp's OEIS frontend

A253805 a(n) gives one fourth of the even leg of the second of the two Pythagorean triangles with hypotenuse A080109(n) = A002144(n)^2. The odd leg is given in A253804.

n	a(n)
1	5
2	30
3	34
4	145
5	111
6	180
7	371
8	330
9	876
10	1560
11	1746
12	505
13	1635
14	840
15	3014
16	3570
17	5181
18	2249
19	1710
20	7980
21	1379
22	3435
23	10920
24	7230
25	2056
26	8970
27	14490
28	11240
29	4981
30	3900

[5, 30, 34, 145, 111, 180, 371, 330, 876, 1560, 1746, 505, 1635, 840, 3014, 3570, 5181, 2249, 1710, 7980, 1379, 3435, 10920, 7230, 2056, 8970, 14490, 11240, 4981, 3900]

cp's OEIS Frontend

A253805 a(n) gives one fourth of the even leg of the second of the two Pythagorean triangles with hypotenuse A080109(n) = A002144(n)^2. The odd leg is given in A253804.

Table of values

List of values