A269964 - cp's OEIS frontend

A269964 Start with a square; at each stage add a square at each expandable vertex so that the ratio of the side of the squares at stage n+1 and at stage n is the golden ratio phi=0.618...; a(n) is the number of squares in a portion of the n-th stage (see below).

n	a(n)
1	1
2	1
3	3
4	5
5	11
6	23
7	53
8	121
9	279
10	639
11	1465
12	3357
13	7699
14	17659
15	40509
16	92921
17	213143
18	488903
19	1121441
20	2572357
21	5900475
22	13534515
23	31045477
24	71212113
25	163346335
26	374683807
27	859449705
28	1971405725
29	4522010435
30	10372587467
31	23792640941
32	54575559337

[1, 1, 3, 5, 11, 23, 53, 121, 279, 639, 1465, 3357, 7699, 17659, 40509, 92921, 213143, 488903, 1121441, 2572357, 5900475, 13534515, 31045477, 71212113, 163346335, 374683807, 859449705, 1971405725, 4522010435, 10372587467, 23792640941, 54575559337]

cp's OEIS Frontend

A269964 Start with a square; at each stage add a square at each expandable vertex so that the ratio of the side of the squares at stage n+1 and at stage n is the golden ratio phi=0.618...; a(n) is the number of squares in a portion of the n-th stage (see below).

Table of values

List of values