A247619 - cp's OEIS frontend

A247619 Start with a single pentagon; at n-th generation add a pentagon at each expandable vertex; a(n) is the sum of all label values at n-th generation. (See comment for construction rules.)

n	a(n)
0	1
1	6
2	16
3	36
4	66
5	116
6	186
7	296
8	446
9	676
10	986
11	1456
12	2086
13	3036
14	4306
15	6216
16	8766
17	12596
18	17706
19	25376
20	35606
21	50956
22	71426
23	102136
24	143086
25	204516
26	286426
27	409296
28	573126
29	818876
30	1146546
31	1638056
32	2293406
33	3276436
34	4587146
35	6553216
36	9174646
37	13106796

[1, 6, 16, 36, 66, 116, 186, 296, 446, 676, 986, 1456, 2086, 3036, 4306, 6216, 8766, 12596, 17706, 25376, 35606, 50956, 71426, 102136, 143086, 204516, 286426, 409296, 573126, 818876, 1146546, 1638056, 2293406, 3276436, 4587146, 6553216, 9174646, 13106796]

cp's OEIS Frontend

A247619 Start with a single pentagon; at n-th generation add a pentagon at each expandable vertex; a(n) is the sum of all label values at n-th generation. (See comment for construction rules.)

Table of values

List of values