A024374 - cp's OEIS frontend

A024374 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = A001950 (upper Wythoff sequence).

n	a(n)
1	2
2	5
3	7
4	10
5	20
6	25
7	41
8	48
9	56
10	64
11	86
12	98
13	126
14	138
15	173
16	188
17	204
18	220
19	261
20	280
21	325
22	347
23	399
24	422
25	480
26	505
27	531
28	558
29	623
30	651
31	721
32	753
33	829
34	863
35	943
36	980
37	1066
38	1105
39	1144
40	1184
41	1278
42	1319
43	1419
44	1463
45	1567
46	1615
47	1723
48	1774
49	1889
50	1941
51	2061
52	2115
53	2170

[2, 5, 7, 10, 20, 25, 41, 48, 56, 64, 86, 98, 126, 138, 173, 188, 204, 220, 261, 280, 325, 347, 399, 422, 480, 505, 531, 558, 623, 651, 721, 753, 829, 863, 943, 980, 1066, 1105, 1144, 1184, 1278, 1319, 1419, 1463, 1567, 1615, 1723, 1774, 1889, 1941, 2061, 2115, 2170]

cp's OEIS Frontend

A024374 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = A001950 (upper Wythoff sequence).

Table of values

List of values