A369176 - cp's OEIS frontend

A369176 Number of vertices in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row.

n	a(n)
1	5
2	13
3	31
4	67
5	139
6	247
7	429
8	691
9	1067
10	1543
11	2217
12	3047
13	4169
14	5495
15	7117
16	9031
17	11449
18	14179
19	17547
20	21379
21	25835
22	30755
23	36613
24	43091
25	50605
26	58775
27	68035
28	78171
29	89831
30	102335
31	116593
32	132079
33	149181
34	167391
35	187497
36	208983
37	232977
38	258351
39	285957
40	315323
41	347777
42	381867
43	419371

[5, 13, 31, 67, 139, 247, 429, 691, 1067, 1543, 2217, 3047, 4169, 5495, 7117, 9031, 11449, 14179, 17547, 21379, 25835, 30755, 36613, 43091, 50605, 58775, 68035, 78171, 89831, 102335, 116593, 132079, 149181, 167391, 187497, 208983, 232977, 258351, 285957, 315323, 347777, 381867, 419371]

cp's OEIS Frontend

A369176 Number of vertices in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row.

Table of values

List of values