A181643 - cp's OEIS frontend

A181643 a(n) is the smallest value such that a(n)[a(n)+n][a(n)+n+n]=y^2 is a perfect square.

n	a(n)
1	0
2	0
3	0
4	0
5	40
6	6
7	18
8	0
9	0
10	0
11	0
12	0
13	0
14	4
15	10
16	0
17	0
18	0
19	0
20	5
21	7
22	0
23	0
24	1
25	0
26	0
27	0
28	72
29	0
30	15
31	0
32	0
33	0
34	128
35	0
36	0
37	0
38	0
39	936
40	0
41	800
42	0
43	0
44	0
45	360
46	196
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	54

[0, 0, 0, 0, 40, 6, 18, 0, 0, 0, 0, 0, 0, 4, 10, 0, 0, 0, 0, 5, 7, 0, 0, 1, 0, 0, 0, 72, 0, 15, 0, 0, 0, 128, 0, 0, 0, 0, 936, 0, 800, 0, 0, 0, 360, 196, 0, 0, 0, 0, 0, 0, 0, 54]

cp's OEIS Frontend

A181643 a(n) is the smallest value such that a(n)[a(n)+n][a(n)+n+n]=y^2 is a perfect square.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	40
6	6
7	18
8	0
9	0
10	0
11	0
12	0
13	0
14	4
15	10
16	0
17	0
18	0
19	0
20	5
21	7
22	0
23	0
24	1
25	0
26	0
27	0
28	72
29	0
30	15
31	0
32	0
33	0
34	128
35	0
36	0
37	0
38	0
39	936
40	0
41	800
42	0
43	0
44	0
45	360
46	196
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	54

n	a(n)
1	0
2	0
3	0
4	0
5	40
6	6
7	18
8	0
9	0
10	0
11	0
12	0
13	0
14	4
15	10
16	0
17	0
18	0
19	0
20	5
21	7
22	0
23	0
24	1
25	0
26	0
27	0
28	72
29	0
30	15
31	0
32	0
33	0
34	128
35	0
36	0
37	0
38	0
39	936
40	0
41	800
42	0
43	0
44	0
45	360
46	196
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	54

cp's OEIS Frontend

A181643 a(n) is the smallest value such that a(n)*[a(n)+n]*[a(n)+n+n]=y^2 is a perfect square.

Table of values

List of values

A181643 a(n) is the smallest value such that a(n)[a(n)+n][a(n)+n+n]=y^2 is a perfect square.

n	a(n)
1	0
2	0
3	0
4	0
5	40
6	6
7	18
8	0
9	0
10	0
11	0
12	0
13	0
14	4
15	10
16	0
17	0
18	0
19	0
20	5
21	7
22	0
23	0
24	1
25	0
26	0
27	0
28	72
29	0
30	15
31	0
32	0
33	0
34	128
35	0
36	0
37	0
38	0
39	936
40	0
41	800
42	0
43	0
44	0
45	360
46	196
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	54