A344533 - cp's OEIS frontend

A344533 Given a square forest of n X n trees, with rows and columns separated by 1 meter, a(n) is the number of trees visible to an observer halfway along one side of the forest, exactly one meter outside.

n	a(n)
1	1
2	4
3	7
4	14
5	17
6	30
7	33
8	52
9	51
10	82
11	81
12	108
13	105
14	156
15	143
16	198
17	183
18	252
19	231
20	308
21	267
22	380
23	339
24	436
25	383
26	526
27	461
28	598
29	525
30	680
31	595
32	782
33	663
34	896
35	767
36	974
37	839
38	1118
39	953
40	1208
41	1041
42	1330
43	1143
44	1466
45	1227
46	1620
47	1383
48	1738
49	1473
50	1898
51	1605
52	2034

[1, 4, 7, 14, 17, 30, 33, 52, 51, 82, 81, 108, 105, 156, 143, 198, 183, 252, 231, 308, 267, 380, 339, 436, 383, 526, 461, 598, 525, 680, 595, 782, 663, 896, 767, 974, 839, 1118, 953, 1208, 1041, 1330, 1143, 1466, 1227, 1620, 1383, 1738, 1473, 1898, 1605, 2034]

cp's OEIS Frontend

A344533 Given a square forest of n X n trees, with rows and columns separated by 1 meter, a(n) is the number of trees visible to an observer halfway along one side of the forest, exactly one meter outside.

Table of values

List of values