A038589 - cp's OEIS frontend

A038589 Sizes of successive clusters in hexagonal lattice A_2 centered at lattice point.

n	a(n)
0	1
1	7
2	7
3	13
4	19
5	19
6	19
7	31
8	31
9	37
10	37
11	37
12	43
13	55
14	55
15	55
16	61
17	61
18	61
19	73
20	73
21	85
22	85
23	85
24	85
25	91
26	91
27	97
28	109
29	109
30	109
31	121
32	121
33	121
34	121
35	121
36	127
37	139
38	139
39	151
40	151
41	151
42	151
43	163
44	163
45	163
46	163
47	163
48	169
49	187
50	187
51	187
52	199
53	199
54	199

[1, 7, 7, 13, 19, 19, 19, 31, 31, 37, 37, 37, 43, 55, 55, 55, 61, 61, 61, 73, 73, 85, 85, 85, 85, 91, 91, 97, 109, 109, 109, 121, 121, 121, 121, 121, 127, 139, 139, 151, 151, 151, 151, 163, 163, 163, 163, 163, 169, 187, 187, 187, 199, 199, 199]

cp's OEIS Frontend

A038589 Sizes of successive clusters in hexagonal lattice A_2 centered at lattice point.

Table of values

List of values

n	a(n)
0	1
1	7
2	7
3	13
4	19
5	19
6	19
7	31
8	31
9	37
10	37
11	37
12	43
13	55
14	55
15	55
16	61
17	61
18	61
19	73
20	73
21	85
22	85
23	85
24	85
25	91
26	91
27	97
28	109
29	109
30	109
31	121
32	121
33	121
34	121
35	121
36	127
37	139
38	139
39	151
40	151
41	151
42	151
43	163
44	163
45	163
46	163
47	163
48	169
49	187
50	187
51	187
52	199
53	199
54	199

n	a(n)
0	1
1	7
2	7
3	13
4	19
5	19
6	19
7	31
8	31
9	37
10	37
11	37
12	43
13	55
14	55
15	55
16	61
17	61
18	61
19	73
20	73
21	85
22	85
23	85
24	85
25	91
26	91
27	97
28	109
29	109
30	109
31	121
32	121
33	121
34	121
35	121
36	127
37	139
38	139
39	151
40	151
41	151
42	151
43	163
44	163
45	163
46	163
47	163
48	169
49	187
50	187
51	187
52	199
53	199
54	199

n	a(n)
0	1
1	7
2	7
3	13
4	19
5	19
6	19
7	31
8	31
9	37
10	37
11	37
12	43
13	55
14	55
15	55
16	61
17	61
18	61
19	73
20	73
21	85
22	85
23	85
24	85
25	91
26	91
27	97
28	109
29	109
30	109
31	121
32	121
33	121
34	121
35	121
36	127
37	139
38	139
39	151
40	151
41	151
42	151
43	163
44	163
45	163
46	163
47	163
48	169
49	187
50	187
51	187
52	199
53	199
54	199