A179316 - cp's OEIS frontend

A179316 The number of equal-sized equilateral triangles in the highest stack of triangles contained in successive Genealodrons formed from 2^n - 1 same size equilateral triangles.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	3
7	5
8	7
9	12
10	22
11	37
12	66
13	118
14	228
15	413
16	762
17	1441
18	2718
19	5147
20	9804
21	18594
22	35420
23	67729
24	129976
25	249176
26	479112
27	921625
28	1777474
29	3429822
30	6632522
31	12826031
32	24850926
33	48165224
34	93507918
35	181566683
36	353075420
37	686711066
38	1337373564
39	2604998105
40	5080131368

[1, 1, 1, 2, 2, 3, 5, 7, 12, 22, 37, 66, 118, 228, 413, 762, 1441, 2718, 5147, 9804, 18594, 35420, 67729, 129976, 249176, 479112, 921625, 1777474, 3429822, 6632522, 12826031, 24850926, 48165224, 93507918, 181566683, 353075420, 686711066, 1337373564, 2604998105, 5080131368]

cp's OEIS Frontend

A179316 The number of equal-sized equilateral triangles in the highest stack of triangles contained in successive Genealodrons formed from 2^n - 1 same size equilateral triangles.

Table of values

List of values