A025085 - cp's OEIS frontend

A025085 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence).

n	a(n)
1	0
2	5
3	7
4	17
5	23
6	48
7	59
8	107
9	124
10	218
11	250
12	424
13	474
14	790
15	883
16	1454
17	1599
18	2617
19	2835
20	4620
21	5017
22	8154
23	8767
24	14224
25	15134
26	24530
27	26162
28	42377
29	44824
30	72576
31	77014
32	124663
33	131495
34	212819
35	222957
36	360811
37	378995
38	613289
39	640606
40	1036587
41	1086216
42	1757602

[0, 5, 7, 17, 23, 48, 59, 107, 124, 218, 250, 424, 474, 790, 883, 1454, 1599, 2617, 2835, 4620, 5017, 8154, 8767, 14224, 15134, 24530, 26162, 42377, 44824, 72576, 77014, 124663, 131495, 212819, 222957, 360811, 378995, 613289, 640606, 1036587, 1086216, 1757602]

cp's OEIS Frontend

A025085 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence).

Table of values

List of values