A355949 - cp's OEIS frontend

A355949 Number of vertices formed in a square by straight line segments when connecting the four corner vertices to the points dividing the sides into n equal parts.

n	a(n)
1	5
2	25
3	81
4	157
5	301
6	381
7	665
8	821
9	1109
10	1353
11	1825
12	1861
13	2621
14	2881
15	3285
16	3813
17	4645
18	4773
19	5873
20	5953
21	6821
22	7665
23	8761
24	8613
25	10165
26	10921
27	11777
28	12337
29	14173
30	13717
31	16265
32	16581
33	17861
34	19161
35	20093
36	20461
37	23405
38	24145
39	25305
40	25701
41	28885
42	28433
43	31841
44	32077
45	33269
46	35841
47	38185

[5, 25, 81, 157, 301, 381, 665, 821, 1109, 1353, 1825, 1861, 2621, 2881, 3285, 3813, 4645, 4773, 5873, 5953, 6821, 7665, 8761, 8613, 10165, 10921, 11777, 12337, 14173, 13717, 16265, 16581, 17861, 19161, 20093, 20461, 23405, 24145, 25305, 25701, 28885, 28433, 31841, 32077, 33269, 35841, 38185]

cp's OEIS Frontend

A355949 Number of vertices formed in a square by straight line segments when connecting the four corner vertices to the points dividing the sides into n equal parts.

Table of values

List of values