A211019 - cp's OEIS frontend

A211019 Triangle read by rows: T(n,k) = number of squares and rectangles of area 2^(k-1) after 2^n stages in the toothpick structure of A139250, divided by 4, n>=1, k>=1, assuming the toothpicks have length 2.

n	a(n)
1	0
2	0
3	1
4	2
5	3
6	1
7	10
8	13
9	3
10	1
11	42
12	53
13	13
14	3
15	1
16	170
17	213
18	53
19	13
20	3
21	1
22	682
23	853
24	213
25	53
26	13
27	3
28	1
29	2730
30	3413
31	853
32	213
33	53
34	13
35	3
36	1
37	10922
38	13653
39	3413
40	853
41	213
42	53
43	13
44	3
45	1
46	43690
47	54613
48	13653
49	3413
50	853
51	213
52	53
53	13
54	3
55	1
56	174762
57	218453

[0, 0, 1, 2, 3, 1, 10, 13, 3, 1, 42, 53, 13, 3, 1, 170, 213, 53, 13, 3, 1, 682, 853, 213, 53, 13, 3, 1, 2730, 3413, 853, 213, 53, 13, 3, 1, 10922, 13653, 3413, 853, 213, 53, 13, 3, 1, 43690, 54613, 13653, 3413, 853, 213, 53, 13, 3, 1, 174762, 218453]

cp's OEIS Frontend

A211019 Triangle read by rows: T(n,k) = number of squares and rectangles of area 2^(k-1) after 2^n stages in the toothpick structure of A139250, divided by 4, n>=1, k>=1, assuming the toothpicks have length 2.

Table of values

List of values