A180666 - cp's OEIS frontend

A180666 Golden Triangle sums: a(n)=a(n-4)+A001654(n) with a(0)=0, a(1)=1, a(2)=2 and a(3)=6.

n	a(n)
0	0
1	1
2	2
3	6
4	15
5	41
6	106
7	279
8	729
9	1911
10	5001
11	13095
12	34281
13	89752
14	234971
15	615165
16	1610520
17	4216400
18	11038675
19	28899630
20	75660210
21	198081006
22	518582802
23	1357667406
24	3554419410
25	9305590831
26	24362353076
27	63781468404

[0, 1, 2, 6, 15, 41, 106, 279, 729, 1911, 5001, 13095, 34281, 89752, 234971, 615165, 1610520, 4216400, 11038675, 28899630, 75660210, 198081006, 518582802, 1357667406, 3554419410, 9305590831, 24362353076, 63781468404]

cp's OEIS Frontend

A180666 Golden Triangle sums: a(n)=a(n-4)+A001654(n) with a(0)=0, a(1)=1, a(2)=2 and a(3)=6.

Table of values

List of values