A363863 - cp's OEIS frontend

A363863 Numbers expressible as j^2 - k^2, 1 <= k <= j-2 ("squares with a square hole").

n	a(n)
1	8
2	12
3	15
4	16
5	20
6	21
7	24
8	27
9	28
10	32
11	33
12	35
13	36
14	39
15	40
16	44
17	45
18	48
19	51
20	52
21	55
22	56
23	57
24	60
25	63
26	64
27	65
28	68
29	69
30	72
31	75
32	76
33	77
34	80
35	81
36	84
37	85
38	87
39	88
40	91
41	92
42	93
43	95
44	96
45	99
46	100
47	104
48	105
49	108
50	111
51	112
52	115
53	116
54	117
55	119
56	120
57	123
58	124
59	125
60	128
61	129
62	132
63	133
64	135
65	136

[8, 12, 15, 16, 20, 21, 24, 27, 28, 32, 33, 35, 36, 39, 40, 44, 45, 48, 51, 52, 55, 56, 57, 60, 63, 64, 65, 68, 69, 72, 75, 76, 77, 80, 81, 84, 85, 87, 88, 91, 92, 93, 95, 96, 99, 100, 104, 105, 108, 111, 112, 115, 116, 117, 119, 120, 123, 124, 125, 128, 129, 132, 133, 135, 136]

cp's OEIS Frontend

A363863 Numbers expressible as j^2 - k^2, 1 <= k <= j-2 ("squares with a square hole").

Table of values

List of values

n	a(n)
1	8
2	12
3	15
4	16
5	20
6	21
7	24
8	27
9	28
10	32
11	33
12	35
13	36
14	39
15	40
16	44
17	45
18	48
19	51
20	52
21	55
22	56
23	57
24	60
25	63
26	64
27	65
28	68
29	69
30	72
31	75
32	76
33	77
34	80
35	81
36	84
37	85
38	87
39	88
40	91
41	92
42	93
43	95
44	96
45	99
46	100
47	104
48	105
49	108
50	111
51	112
52	115
53	116
54	117
55	119
56	120
57	123
58	124
59	125
60	128
61	129
62	132
63	133
64	135
65	136

n	a(n)
1	8
2	12
3	15
4	16
5	20
6	21
7	24
8	27
9	28
10	32
11	33
12	35
13	36
14	39
15	40
16	44
17	45
18	48
19	51
20	52
21	55
22	56
23	57
24	60
25	63
26	64
27	65
28	68
29	69
30	72
31	75
32	76
33	77
34	80
35	81
36	84
37	85
38	87
39	88
40	91
41	92
42	93
43	95
44	96
45	99
46	100
47	104
48	105
49	108
50	111
51	112
52	115
53	116
54	117
55	119
56	120
57	123
58	124
59	125
60	128
61	129
62	132
63	133
64	135
65	136

n	a(n)
1	8
2	12
3	15
4	16
5	20
6	21
7	24
8	27
9	28
10	32
11	33
12	35
13	36
14	39
15	40
16	44
17	45
18	48
19	51
20	52
21	55
22	56
23	57
24	60
25	63
26	64
27	65
28	68
29	69
30	72
31	75
32	76
33	77
34	80
35	81
36	84
37	85
38	87
39	88
40	91
41	92
42	93
43	95
44	96
45	99
46	100
47	104
48	105
49	108
50	111
51	112
52	115
53	116
54	117
55	119
56	120
57	123
58	124
59	125
60	128
61	129
62	132
63	133
64	135
65	136