A253896 - cp's OEIS frontend

A253896 Total number of either concave decagons or concave hexadecagons in two variants of an octagon expansion after n iterations: either "side-to-side" or "vertex-to-vertex", respectively.

n	a(n)
1	0
2	0
3	0
4	1
5	3
6	7
7	13
8	22
9	34
10	48
11	62
12	81
13	99
14	121
15	143
16	170
17	196
18	226
19	256
20	291
21	325
22	363
23	401
24	444
25	486
26	532
27	578
28	629
29	679
30	733
31	787
32	846
33	904
34	966
35	1028
36	1095
37	1161
38	1231
39	1301
40	1376
41	1450
42	1528
43	1606
44	1689
45	1771
46	1857
47	1943
48	2034
49	2124
50	2218
51	2312
52	2411
53	2509
54	2611

[0, 0, 0, 1, 3, 7, 13, 22, 34, 48, 62, 81, 99, 121, 143, 170, 196, 226, 256, 291, 325, 363, 401, 444, 486, 532, 578, 629, 679, 733, 787, 846, 904, 966, 1028, 1095, 1161, 1231, 1301, 1376, 1450, 1528, 1606, 1689, 1771, 1857, 1943, 2034, 2124, 2218, 2312, 2411, 2509, 2611]

cp's OEIS Frontend

A253896 Total number of either concave decagons or concave hexadecagons in two variants of an octagon expansion after n iterations: either "side-to-side" or "vertex-to-vertex", respectively.

Table of values

List of values