A249327 - cp's OEIS frontend

A249327 Rectangular array T(n,k) = f(n)*k^2, where f = A005117 (squarefree numbers); n, k >= 1; read by antidiagonals.

n	a(n)
1	1
2	4
3	2
4	9
5	8
6	3
7	16
8	18
9	12
10	5
11	25
12	32
13	27
14	20
15	6
16	36
17	50
18	48
19	45
20	24
21	7
22	49
23	72
24	75
25	80
26	54
27	28
28	10
29	64
30	98
31	108
32	125
33	96
34	63
35	40
36	11
37	81
38	128
39	147
40	180
41	150
42	112
43	90
44	44
45	13
46	100
47	162
48	192
49	245
50	216
51	175
52	160
53	99
54	52
55	14
56	121
57	200
58	243
59	320
60	294
61	252
62	250

[1, 4, 2, 9, 8, 3, 16, 18, 12, 5, 25, 32, 27, 20, 6, 36, 50, 48, 45, 24, 7, 49, 72, 75, 80, 54, 28, 10, 64, 98, 108, 125, 96, 63, 40, 11, 81, 128, 147, 180, 150, 112, 90, 44, 13, 100, 162, 192, 245, 216, 175, 160, 99, 52, 14, 121, 200, 243, 320, 294, 252, 250]

cp's OEIS Frontend

A249327 Rectangular array T(n,k) = f(n)*k^2, where f = A005117 (squarefree numbers); n, k >= 1; read by antidiagonals.

Table of values

List of values

n	a(n)
1	1
2	4
3	2
4	9
5	8
6	3
7	16
8	18
9	12
10	5
11	25
12	32
13	27
14	20
15	6
16	36
17	50
18	48
19	45
20	24
21	7
22	49
23	72
24	75
25	80
26	54
27	28
28	10
29	64
30	98
31	108
32	125
33	96
34	63
35	40
36	11
37	81
38	128
39	147
40	180
41	150
42	112
43	90
44	44
45	13
46	100
47	162
48	192
49	245
50	216
51	175
52	160
53	99
54	52
55	14
56	121
57	200
58	243
59	320
60	294
61	252
62	250

n	a(n)
1	1
2	4
3	2
4	9
5	8
6	3
7	16
8	18
9	12
10	5
11	25
12	32
13	27
14	20
15	6
16	36
17	50
18	48
19	45
20	24
21	7
22	49
23	72
24	75
25	80
26	54
27	28
28	10
29	64
30	98
31	108
32	125
33	96
34	63
35	40
36	11
37	81
38	128
39	147
40	180
41	150
42	112
43	90
44	44
45	13
46	100
47	162
48	192
49	245
50	216
51	175
52	160
53	99
54	52
55	14
56	121
57	200
58	243
59	320
60	294
61	252
62	250

n	a(n)
1	1
2	4
3	2
4	9
5	8
6	3
7	16
8	18
9	12
10	5
11	25
12	32
13	27
14	20
15	6
16	36
17	50
18	48
19	45
20	24
21	7
22	49
23	72
24	75
25	80
26	54
27	28
28	10
29	64
30	98
31	108
32	125
33	96
34	63
35	40
36	11
37	81
38	128
39	147
40	180
41	150
42	112
43	90
44	44
45	13
46	100
47	162
48	192
49	245
50	216
51	175
52	160
53	99
54	52
55	14
56	121
57	200
58	243
59	320
60	294
61	252
62	250