A253688 - cp's OEIS frontend

A253688 The total number of pentagons in a variant of pentagon expansion (vertex-to-vertex, two consecutive vertices and one isolated vertex) after n iterations.

n	a(n)
1	1
2	4
3	10
4	21
5	39
6	64
7	94
8	129
9	171
10	218
11	272
12	331
13	397
14	468
15	546
16	629
17	719
18	814
19	916
20	1023
21	1137
22	1256
23	1382
24	1513
25	1651
26	1794
27	1944
28	2099
29	2261
30	2428
31	2602
32	2781
33	2967
34	3158
35	3356
36	3559
37	3769
38	3984
39	4206
40	4433
41	4667
42	4906
43	5152
44	5403
45	5661
46	5924
47	6194
48	6469
49	6751
50	7038

[1, 4, 10, 21, 39, 64, 94, 129, 171, 218, 272, 331, 397, 468, 546, 629, 719, 814, 916, 1023, 1137, 1256, 1382, 1513, 1651, 1794, 1944, 2099, 2261, 2428, 2602, 2781, 2967, 3158, 3356, 3559, 3769, 3984, 4206, 4433, 4667, 4906, 5152, 5403, 5661, 5924, 6194, 6469, 6751, 7038]

cp's OEIS Frontend

A253688 The total number of pentagons in a variant of pentagon expansion (vertex-to-vertex, two consecutive vertices and one isolated vertex) after n iterations.

Table of values

List of values