A247905 - cp's OEIS frontend

A247905 Start with a single hexagon; at n-th generation add a hexagon at each expandable vertex (this is the "vertex to side" version); a(n) is the sum of all label values at n-th generation. (See comment for construction rules.)

n	a(n)
0	1
1	7
2	19
3	43
4	79
5	139
6	223
7	355
8	535
9	811
10	1183
11	1747
12	2503
13	3643
14	5167
15	7459
16	10519
17	15115
18	21247
19	30451
20	42727
21	61147
22	85711
23	122563
24	171703
25	245419
26	343711
27	491155
28	687751
29	982651
30	1375855
31	1965667
32	2752087
33	3931723
34	5504575
35	7863859
36	11009575
37	15728155
38	22019599
39	31456771
40	44039671
41	62914027
42	88079839
43	125828563
44	176160199
45	251657659

[1, 7, 19, 43, 79, 139, 223, 355, 535, 811, 1183, 1747, 2503, 3643, 5167, 7459, 10519, 15115, 21247, 30451, 42727, 61147, 85711, 122563, 171703, 245419, 343711, 491155, 687751, 982651, 1375855, 1965667, 2752087, 3931723, 5504575, 7863859, 11009575, 15728155, 22019599, 31456771, 44039671, 62914027, 88079839, 125828563, 176160199, 251657659]

cp's OEIS Frontend

A247905 Start with a single hexagon; at n-th generation add a hexagon at each expandable vertex (this is the "vertex to side" version); a(n) is the sum of all label values at n-th generation. (See comment for construction rules.)

Table of values

List of values