A058957 - cp's OEIS frontend

A058957 Numbers having at least two representations as b^2 - c^2 with b > c >= 0.

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	45
15	48
16	49
17	51
18	55
19	56
20	57
21	60
22	63
23	64
24	65
25	69
26	72
27	75
28	77
29	80
30	81
31	84
32	85
33	87
34	88
35	91
36	93
37	95
38	96
39	99
40	100
41	104
42	105
43	108
44	111
45	112
46	115
47	117
48	119
49	120
50	121
51	123
52	125
53	128
54	129
55	132
56	133
57	135
58	136
59	140
60	141
61	143

[9, 15, 16, 21, 24, 25, 27, 32, 33, 35, 36, 39, 40, 45, 48, 49, 51, 55, 56, 57, 60, 63, 64, 65, 69, 72, 75, 77, 80, 81, 84, 85, 87, 88, 91, 93, 95, 96, 99, 100, 104, 105, 108, 111, 112, 115, 117, 119, 120, 121, 123, 125, 128, 129, 132, 133, 135, 136, 140, 141, 143]

cp's OEIS Frontend

A058957 Numbers having at least two representations as b^2 - c^2 with b > c >= 0.

Table of values

List of values

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	45
15	48
16	49
17	51
18	55
19	56
20	57
21	60
22	63
23	64
24	65
25	69
26	72
27	75
28	77
29	80
30	81
31	84
32	85
33	87
34	88
35	91
36	93
37	95
38	96
39	99
40	100
41	104
42	105
43	108
44	111
45	112
46	115
47	117
48	119
49	120
50	121
51	123
52	125
53	128
54	129
55	132
56	133
57	135
58	136
59	140
60	141
61	143

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	45
15	48
16	49
17	51
18	55
19	56
20	57
21	60
22	63
23	64
24	65
25	69
26	72
27	75
28	77
29	80
30	81
31	84
32	85
33	87
34	88
35	91
36	93
37	95
38	96
39	99
40	100
41	104
42	105
43	108
44	111
45	112
46	115
47	117
48	119
49	120
50	121
51	123
52	125
53	128
54	129
55	132
56	133
57	135
58	136
59	140
60	141
61	143

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	45
15	48
16	49
17	51
18	55
19	56
20	57
21	60
22	63
23	64
24	65
25	69
26	72
27	75
28	77
29	80
30	81
31	84
32	85
33	87
34	88
35	91
36	93
37	95
38	96
39	99
40	100
41	104
42	105
43	108
44	111
45	112
46	115
47	117
48	119
49	120
50	121
51	123
52	125
53	128
54	129
55	132
56	133
57	135
58	136
59	140
60	141
61	143