A212061 - cp's OEIS frontend

A212061 Number of (w,x,y,z) with all terms in {1,...,n} and wx=(yz)^2.

n	a(n)
0	0
1	1
2	3
3	5
4	12
5	14
6	18
7	20
8	30
9	45
10	49
11	51
12	65
13	67
14	71
15	75
16	106
17	108
18	134
19	136
20	150
21	154
22	158
23	160
24	180
25	215
26	219
27	241
28	255
29	257
30	265
31	267
32	307
33	311
34	315
35	319
36	392
37	394
38	398
39	402
40	422
41	424
42	432
43	434
44	448
45	478
46	482
47	484
48	540
49	599
50	657
51	661
52	675
53	677

[0, 1, 3, 5, 12, 14, 18, 20, 30, 45, 49, 51, 65, 67, 71, 75, 106, 108, 134, 136, 150, 154, 158, 160, 180, 215, 219, 241, 255, 257, 265, 267, 307, 311, 315, 319, 392, 394, 398, 402, 422, 424, 432, 434, 448, 478, 482, 484, 540, 599, 657, 661, 675, 677]

cp's OEIS Frontend

A212061 Number of (w,x,y,z) with all terms in {1,...,n} and wx=(yz)^2.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	5
4	12
5	14
6	18
7	20
8	30
9	45
10	49
11	51
12	65
13	67
14	71
15	75
16	106
17	108
18	134
19	136
20	150
21	154
22	158
23	160
24	180
25	215
26	219
27	241
28	255
29	257
30	265
31	267
32	307
33	311
34	315
35	319
36	392
37	394
38	398
39	402
40	422
41	424
42	432
43	434
44	448
45	478
46	482
47	484
48	540
49	599
50	657
51	661
52	675
53	677

n	a(n)
0	0
1	1
2	3
3	5
4	12
5	14
6	18
7	20
8	30
9	45
10	49
11	51
12	65
13	67
14	71
15	75
16	106
17	108
18	134
19	136
20	150
21	154
22	158
23	160
24	180
25	215
26	219
27	241
28	255
29	257
30	265
31	267
32	307
33	311
34	315
35	319
36	392
37	394
38	398
39	402
40	422
41	424
42	432
43	434
44	448
45	478
46	482
47	484
48	540
49	599
50	657
51	661
52	675
53	677

cp's OEIS Frontend

A212061 Number of (w,x,y,z) with all terms in {1,...,n} and w*x=(y*z)^2.

Table of values

List of values

A212061 Number of (w,x,y,z) with all terms in {1,...,n} and wx=(yz)^2.

n	a(n)
0	0
1	1
2	3
3	5
4	12
5	14
6	18
7	20
8	30
9	45
10	49
11	51
12	65
13	67
14	71
15	75
16	106
17	108
18	134
19	136
20	150
21	154
22	158
23	160
24	180
25	215
26	219
27	241
28	255
29	257
30	265
31	267
32	307
33	311
34	315
35	319
36	392
37	394
38	398
39	402
40	422
41	424
42	432
43	434
44	448
45	478
46	482
47	484
48	540
49	599
50	657
51	661
52	675
53	677