A127402 - cp's OEIS frontend

A127402 Number of points in a honeycomb net covered by a circular disk of diameter n if the center of the circle is chosen at the deep hole.

n	a(n)
1	0
2	6
3	6
4	12
5	12
6	24
7	24
8	42
9	54
10	60
11	72
12	84
13	96
14	126
15	138
16	156
17	168
18	204
19	204
20	246
21	270
22	288
23	312
24	348
25	372
26	414
27	450
28	480
29	504
30	552
31	564
32	618
33	666
34	696
35	744
36	780
37	816
38	870
39	930
40	960
41	1008
42	1080
43	1104
44	1182
45	1218
46	1272
47	1320
48	1392
49	1440
50	1506
51	1578
52	1632

[0, 6, 6, 12, 12, 24, 24, 42, 54, 60, 72, 84, 96, 126, 138, 156, 168, 204, 204, 246, 270, 288, 312, 348, 372, 414, 450, 480, 504, 552, 564, 618, 666, 696, 744, 780, 816, 870, 930, 960, 1008, 1080, 1104, 1182, 1218, 1272, 1320, 1392, 1440, 1506, 1578, 1632]

cp's OEIS Frontend

A127402 Number of points in a honeycomb net covered by a circular disk of diameter n if the center of the circle is chosen at the deep hole.

Table of values

List of values