A179178 - cp's OEIS frontend

A179178 The number of equal-sized equilateral triangles visible (when viewed from above) in successive Genealodrons formed from 2^n -1 same size equilateral triangles.

n	a(n)
1	1
2	3
3	7
4	14
5	25
6	40
7	57
8	77
9	100
10	126
11	155
12	187
13	222
14	260
15	301
16	345
17	392
18	442
19	495
20	551
21	610
22	672
23	737
24	805
25	876
26	950
27	1027
28	1107
29	1190
30	1276
31	1365
32	1457
33	1552
34	1650
35	1751
36	1855
37	1962
38	2072
39	2185
40	2301
41	2420
42	2542
43	2667
44	2795
45	2926
46	3060
47	3197
48	3337
49	3480

[1, 3, 7, 14, 25, 40, 57, 77, 100, 126, 155, 187, 222, 260, 301, 345, 392, 442, 495, 551, 610, 672, 737, 805, 876, 950, 1027, 1107, 1190, 1276, 1365, 1457, 1552, 1650, 1751, 1855, 1962, 2072, 2185, 2301, 2420, 2542, 2667, 2795, 2926, 3060, 3197, 3337, 3480]

cp's OEIS Frontend

A179178 The number of equal-sized equilateral triangles visible (when viewed from above) in successive Genealodrons formed from 2^n -1 same size equilateral triangles.

Table of values

List of values