A054886 - cp's OEIS frontend

A054886 Layer counting sequence for hyperbolic tessellation by cuspidal triangles of angles (Pi/3,Pi/3,0) (this is the classical modular tessellation).

n	a(n)
0	1
1	3
2	6
3	10
4	16
5	26
6	42
7	68
8	110
9	178
10	288
11	466
12	754
13	1220
14	1974
15	3194
16	5168
17	8362
18	13530
19	21892
20	35422
21	57314
22	92736
23	150050
24	242786
25	392836
26	635622
27	1028458
28	1664080
29	2692538
30	4356618
31	7049156
32	11405774
33	18454930
34	29860704
35	48315634
36	78176338
37	126491972

[1, 3, 6, 10, 16, 26, 42, 68, 110, 178, 288, 466, 754, 1220, 1974, 3194, 5168, 8362, 13530, 21892, 35422, 57314, 92736, 150050, 242786, 392836, 635622, 1028458, 1664080, 2692538, 4356618, 7049156, 11405774, 18454930, 29860704, 48315634, 78176338, 126491972]

cp's OEIS Frontend

A054886 Layer counting sequence for hyperbolic tessellation by cuspidal triangles of angles (Pi/3,Pi/3,0) (this is the classical modular tessellation).

Table of values

List of values