A247618 - cp's OEIS frontend

A247618 Start with a single square; at n-th generation add a square 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	5
2	17
3	45
4	105
5	229
6	481
7	989
8	2009
9	4053
10	8145
11	16333
12	32713
13	65477
14	131009
15	262077
16	524217
17	1048501
18	2097073
19	4194221
20	8388521
21	16777125
22	33554337
23	67108765
24	134217625
25	268435349
26	536870801
27	1073741709
28	2147483529
29	4294967173
30	8589934465

[1, 5, 17, 45, 105, 229, 481, 989, 2009, 4053, 8145, 16333, 32713, 65477, 131009, 262077, 524217, 1048501, 2097073, 4194221, 8388521, 16777125, 33554337, 67108765, 134217625, 268435349, 536870801, 1073741709, 2147483529, 4294967173, 8589934465]

cp's OEIS Frontend

A247618 Start with a single square; at n-th generation add a square 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