A024686 - cp's OEIS frontend

A024686 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A000201 (lower Wythoff sequence), t = A001950 (upper Wythoff sequence).

n	a(n)
1	2
2	5
3	22
4	31
5	71
6	94
7	175
8	212
9	349
10	403
11	597
12	679
13	957
14	1065
15	1420
16	1568
17	2032
18	2212
19	2802
20	3016
21	3718
22	3987
23	4839
24	5152
25	6169
26	6529
27	7693
28	8122
29	9480
30	9962
31	11486
32	12051
33	13792
34	14420
35	16398
36	17088
37	19268
38	20054
39	22495
40	23355
41	26015
42	26984
43	29932
44	30978

[2, 5, 22, 31, 71, 94, 175, 212, 349, 403, 597, 679, 957, 1065, 1420, 1568, 2032, 2212, 2802, 3016, 3718, 3987, 4839, 5152, 6169, 6529, 7693, 8122, 9480, 9962, 11486, 12051, 13792, 14420, 16398, 17088, 19268, 20054, 22495, 23355, 26015, 26984, 29932, 30978]

cp's OEIS Frontend

A024686 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A000201 (lower Wythoff sequence), t = A001950 (upper Wythoff sequence).

Table of values

List of values