A355902 - cp's OEIS frontend

A355902 Start with a 2 X n array of squares, join every vertex on top edge to every vertex on bottom edge; a(n) = one-half the number of cells.

n	a(n)
0	0
1	3
2	10
3	26
4	56
5	112
6	196
7	331
8	522
9	790
10	1138
11	1615
12	2204
13	2975
14	3910
15	5041
16	6388
17	8047
18	9958
19	12262
20	14894
21	17920
22	21346
23	25347
24	29796
25	34875
26	40522
27	46854
28	53826
29	61716
30	70274
31	79883
32	90380
33	101875
34	114346
35	127981
36	142612
37	158737
38	176086
39	194827
40	214852
41	236717
42	259906
43	285124
44	311970
45	340588
46	370990
47	403819
48	438440
49	475556

[0, 3, 10, 26, 56, 112, 196, 331, 522, 790, 1138, 1615, 2204, 2975, 3910, 5041, 6388, 8047, 9958, 12262, 14894, 17920, 21346, 25347, 29796, 34875, 40522, 46854, 53826, 61716, 70274, 79883, 90380, 101875, 114346, 127981, 142612, 158737, 176086, 194827, 214852, 236717, 259906, 285124, 311970, 340588, 370990, 403819, 438440, 475556]

cp's OEIS Frontend

A355902 Start with a 2 X n array of squares, join every vertex on top edge to every vertex on bottom edge; a(n) = one-half the number of cells.

Table of values

List of values