A187069 - cp's OEIS frontend

A187069 Let i be in {1,2,3}, let r >= 0 be an integer and n=2r+i-1. Then a(n)=a(2r+i-1) gives the quantity of H_(7,2,0) tiles in a subdivided H_(7,i,r) tile after linear scaling by the factor x^r, where x=sqrt((2*cos(Pi/7))^2-1).

n	a(n)
0	0
1	1
2	0
3	1
4	1
5	2
6	2
7	4
8	5
9	9
10	11
11	20
12	25
13	45
14	56
15	101
16	126
17	227
18	283
19	510
20	636
21	1146
22	1429
23	2575
24	3211
25	5786
26	7215
27	13001
28	16212
29	29213
30	36428
31	65641
32	81853
33	147494
34	183922
35	331416
36	413269
37	744685
38	928607
39	1673292
40	2086561
41	3759853
42	4688460
43	8448313
44	10534874

[0, 1, 0, 1, 1, 2, 2, 4, 5, 9, 11, 20, 25, 45, 56, 101, 126, 227, 283, 510, 636, 1146, 1429, 2575, 3211, 5786, 7215, 13001, 16212, 29213, 36428, 65641, 81853, 147494, 183922, 331416, 413269, 744685, 928607, 1673292, 2086561, 3759853, 4688460, 8448313, 10534874]

cp's OEIS Frontend

A187069 Let i be in {1,2,3}, let r >= 0 be an integer and n=2r+i-1. Then a(n)=a(2r+i-1) gives the quantity of H_(7,2,0) tiles in a subdivided H_(7,i,r) tile after linear scaling by the factor x^r, where x=sqrt((2*cos(Pi/7))^2-1).

Table of values

List of values

cp's OEIS Frontend

A187069 Let i be in {1,2,3}, let r >= 0 be an integer and n=2*r+i-1. Then a(n)=a(2*r+i-1) gives the quantity of H_(7,2,0) tiles in a subdivided H_(7,i,r) tile after linear scaling by the factor x^r, where x=sqrt((2*cos(Pi/7))^2-1).

Table of values

List of values

A187069 Let i be in {1,2,3}, let r >= 0 be an integer and n=2r+i-1. Then a(n)=a(2r+i-1) gives the quantity of H_(7,2,0) tiles in a subdivided H_(7,i,r) tile after linear scaling by the factor x^r, where x=sqrt((2*cos(Pi/7))^2-1).