A347750 - cp's OEIS frontend

A347750 Number of intersection points when every pair of vertices of a row of n adjacent congruent rectangles are joined by an infinite line.

n	a(n)
0	0
1	5
2	17
3	57
4	133
5	297
6	525
7	925
8	1477
9	2289
10	3277
11	4701
12	6437
13	8805
14	11541
15	14917
16	18869
17	23893
18	29509
19	36473
20	44349
21	53545
22	63605
23	75629
24	88901
25	104325
26	120981
27	139913
28	160581
29	184409
30	209885
31	238989
32	270525
33	305413
34	342413
35	383301
36	426949
37	475757
38	527205
39	583261
40	642821
41	708717
42	777829

[0, 5, 17, 57, 133, 297, 525, 925, 1477, 2289, 3277, 4701, 6437, 8805, 11541, 14917, 18869, 23893, 29509, 36473, 44349, 53545, 63605, 75629, 88901, 104325, 120981, 139913, 160581, 184409, 209885, 238989, 270525, 305413, 342413, 383301, 426949, 475757, 527205, 583261, 642821, 708717, 777829]

cp's OEIS Frontend

A347750 Number of intersection points when every pair of vertices of a row of n adjacent congruent rectangles are joined by an infinite line.

Table of values

List of values