A275859 - cp's OEIS frontend

A275859 a(n) = floor(csa(n-1)) + floor(dra(n-2)), where r = 1 + sqrt(2), s = r/(r-1), c = 2, d = 1, a(0) = 1, a(1) = 1.

n	a(n)
0	1
1	1
2	5
3	19
4	76
5	304
6	1220
7	4898
8	19667
9	78971
10	317103
11	1273309
12	5112902
13	20530578
14	82439414
15	331030964
16	1329236757
17	5337477605
18	21432349833
19	86060430295
20	345570957936
21	1387621309348
22	5571917587224
23	22373730779190
24	89840494074695
25	360749597608127

[1, 1, 5, 19, 76, 304, 1220, 4898, 19667, 78971, 317103, 1273309, 5112902, 20530578, 82439414, 331030964, 1329236757, 5337477605, 21432349833, 86060430295, 345570957936, 1387621309348, 5571917587224, 22373730779190, 89840494074695, 360749597608127]

cp's OEIS Frontend

A275859 a(n) = floor(csa(n-1)) + floor(dra(n-2)), where r = 1 + sqrt(2), s = r/(r-1), c = 2, d = 1, a(0) = 1, a(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A275859 a(n) = floor(c*s*a(n-1)) + floor(d*r*a(n-2)), where r = 1 + sqrt(2), s = r/(r-1), c = 2, d = 1, a(0) = 1, a(1) = 1.

Table of values

List of values

A275859 a(n) = floor(csa(n-1)) + floor(dra(n-2)), where r = 1 + sqrt(2), s = r/(r-1), c = 2, d = 1, a(0) = 1, a(1) = 1.