A240692 - cp's OEIS frontend

A240692 Squared radii of circles which exactly encircle clusters in the A2 lattice in increasing order.

n	a(n)
0	0
1	4
2	9
3	13
4	21
5	25
6	28
7	36
8	39
9	43
10	49
11	57
12	63
13	64
14	67
15	76
16	81
17	84
18	91
19	93
20	97
21	109
22	111
23	117
24	121
25	124
26	129
27	133
28	144
29	147
30	148
31	156
32	157
33	163
34	171
35	175
36	183
37	189
38	193
39	196
40	199
41	201

[0, 4, 9, 13, 21, 25, 28, 36, 39, 43, 49, 57, 63, 64, 67, 76, 81, 84, 91, 93, 97, 109, 111, 117, 121, 124, 129, 133, 144, 147, 148, 156, 157, 163, 171, 175, 183, 189, 193, 196, 199, 201]

cp's OEIS Frontend

A240692 Squared radii of circles which exactly encircle clusters in the A2 lattice in increasing order.

Table of values

List of values

n	a(n)
0	0
1	4
2	9
3	13
4	21
5	25
6	28
7	36
8	39
9	43
10	49
11	57
12	63
13	64
14	67
15	76
16	81
17	84
18	91
19	93
20	97
21	109
22	111
23	117
24	121
25	124
26	129
27	133
28	144
29	147
30	148
31	156
32	157
33	163
34	171
35	175
36	183
37	189
38	193
39	196
40	199
41	201

n	a(n)
0	0
1	4
2	9
3	13
4	21
5	25
6	28
7	36
8	39
9	43
10	49
11	57
12	63
13	64
14	67
15	76
16	81
17	84
18	91
19	93
20	97
21	109
22	111
23	117
24	121
25	124
26	129
27	133
28	144
29	147
30	148
31	156
32	157
33	163
34	171
35	175
36	183
37	189
38	193
39	196
40	199
41	201

n	a(n)
0	0
1	4
2	9
3	13
4	21
5	25
6	28
7	36
8	39
9	43
10	49
11	57
12	63
13	64
14	67
15	76
16	81
17	84
18	91
19	93
20	97
21	109
22	111
23	117
24	121
25	124
26	129
27	133
28	144
29	147
30	148
31	156
32	157
33	163
34	171
35	175
36	183
37	189
38	193
39	196
40	199
41	201