A275861 - cp's OEIS frontend

A275861 a(n) = floor(csa(n-1)) + floor(dra(n-2)), where r = 2 + sqrt(5), s = r/(r-1), c = 4, d = 1, a(0) = 1, a(1) = 1.

n	a(n)
0	1
1	1
2	9
3	51
4	305
5	1813
6	10784
7	64144
8	381543
9	2269503
10	13499513
11	80298135
12	477631347
13	2841058559
14	16899254596
15	100520563016
16	597918892325
17	3556555903317
18	21155193548465
19	125835844069155
20	748499871500621
21	4452245397810113
22	26482955892270832

[1, 1, 9, 51, 305, 1813, 10784, 64144, 381543, 2269503, 13499513, 80298135, 477631347, 2841058559, 16899254596, 100520563016, 597918892325, 3556555903317, 21155193548465, 125835844069155, 748499871500621, 4452245397810113, 26482955892270832]

cp's OEIS Frontend

A275861 a(n) = floor(csa(n-1)) + floor(dra(n-2)), where r = 2 + sqrt(5), s = r/(r-1), c = 4, d = 1, a(0) = 1, a(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A275861 a(n) = floor(c*s*a(n-1)) + floor(d*r*a(n-2)), where r = 2 + sqrt(5), s = r/(r-1), c = 4, d = 1, a(0) = 1, a(1) = 1.

Table of values

List of values

A275861 a(n) = floor(csa(n-1)) + floor(dra(n-2)), where r = 2 + sqrt(5), s = r/(r-1), c = 4, d = 1, a(0) = 1, a(1) = 1.