A364352 - cp's OEIS frontend

A364352 a(n) is the number of regions into which the plane is divided by n lines parallel to each edge of an equilateral triangle with side n such that the lines extend the parallel edge and divide the other edges into unit segments.

n	a(n)
1	7
2	16
3	30
4	49
5	73
6	102
7	136
8	175
9	219
10	268
11	322
12	381
13	445
14	514
15	588
16	667
17	751
18	840
19	934
20	1033
21	1137
22	1246
23	1360
24	1479
25	1603
26	1732
27	1866
28	2005
29	2149
30	2298
31	2452
32	2611
33	2775
34	2944
35	3118
36	3297
37	3481
38	3670
39	3864
40	4063
41	4267
42	4476
43	4690
44	4909
45	5133
46	5362
47	5596
48	5835
49	6079
50	6328

[7, 16, 30, 49, 73, 102, 136, 175, 219, 268, 322, 381, 445, 514, 588, 667, 751, 840, 934, 1033, 1137, 1246, 1360, 1479, 1603, 1732, 1866, 2005, 2149, 2298, 2452, 2611, 2775, 2944, 3118, 3297, 3481, 3670, 3864, 4063, 4267, 4476, 4690, 4909, 5133, 5362, 5596, 5835, 6079, 6328]

cp's OEIS Frontend

A364352 a(n) is the number of regions into which the plane is divided by n lines parallel to each edge of an equilateral triangle with side n such that the lines extend the parallel edge and divide the other edges into unit segments.

Table of values

List of values