A134779 - cp's OEIS frontend

A134779 Integer coefficients of A(x), where a(n) is the least integer greater than a(n-1)+2 such that A(x)^(1/2) has integer coefficients.

n	a(n)
0	1
1	4
2	6
3	8
4	11
5	14
6	16
7	18
8	21
9	24
10	27
11	30
12	33
13	36
14	38
15	40
16	43
17	46
18	49
19	52
20	55
21	58
22	61
23	64
24	66
25	68
26	71
27	74
28	76
29	78
30	80
31	82
32	85
33	88
34	90
35	92
36	95
37	98
38	101
39	104
40	106
41	108
42	111
43	114
44	117
45	120
46	122
47	124
48	126
49	128
50	131
51	134
52	137
53	140
54	143
55	146
56	148
57	150
58	153
59	156
60	159
61	162
62	164

[1, 4, 6, 8, 11, 14, 16, 18, 21, 24, 27, 30, 33, 36, 38, 40, 43, 46, 49, 52, 55, 58, 61, 64, 66, 68, 71, 74, 76, 78, 80, 82, 85, 88, 90, 92, 95, 98, 101, 104, 106, 108, 111, 114, 117, 120, 122, 124, 126, 128, 131, 134, 137, 140, 143, 146, 148, 150, 153, 156, 159, 162, 164]

cp's OEIS Frontend

A134779 Integer coefficients of A(x), where a(n) is the least integer greater than a(n-1)+2 such that A(x)^(1/2) has integer coefficients.

Table of values

List of values

n	a(n)
0	1
1	4
2	6
3	8
4	11
5	14
6	16
7	18
8	21
9	24
10	27
11	30
12	33
13	36
14	38
15	40
16	43
17	46
18	49
19	52
20	55
21	58
22	61
23	64
24	66
25	68
26	71
27	74
28	76
29	78
30	80
31	82
32	85
33	88
34	90
35	92
36	95
37	98
38	101
39	104
40	106
41	108
42	111
43	114
44	117
45	120
46	122
47	124
48	126
49	128
50	131
51	134
52	137
53	140
54	143
55	146
56	148
57	150
58	153
59	156
60	159
61	162
62	164

n	a(n)
0	1
1	4
2	6
3	8
4	11
5	14
6	16
7	18
8	21
9	24
10	27
11	30
12	33
13	36
14	38
15	40
16	43
17	46
18	49
19	52
20	55
21	58
22	61
23	64
24	66
25	68
26	71
27	74
28	76
29	78
30	80
31	82
32	85
33	88
34	90
35	92
36	95
37	98
38	101
39	104
40	106
41	108
42	111
43	114
44	117
45	120
46	122
47	124
48	126
49	128
50	131
51	134
52	137
53	140
54	143
55	146
56	148
57	150
58	153
59	156
60	159
61	162
62	164

n	a(n)
0	1
1	4
2	6
3	8
4	11
5	14
6	16
7	18
8	21
9	24
10	27
11	30
12	33
13	36
14	38
15	40
16	43
17	46
18	49
19	52
20	55
21	58
22	61
23	64
24	66
25	68
26	71
27	74
28	76
29	78
30	80
31	82
32	85
33	88
34	90
35	92
36	95
37	98
38	101
39	104
40	106
41	108
42	111
43	114
44	117
45	120
46	122
47	124
48	126
49	128
50	131
51	134
52	137
53	140
54	143
55	146
56	148
57	150
58	153
59	156
60	159
61	162
62	164