A049778 - cp's OEIS frontend

A049778 a(n) = Sum_{k=1..floor((n+1)/2)} T(n,2k-1), array T as in A049777.

n	a(n)
1	1
2	3
3	9
4	17
5	32
6	50
7	78
8	110
9	155
10	205
11	271
12	343
13	434
14	532
15	652
16	780
17	933
18	1095
19	1285
20	1485
21	1716
22	1958
23	2234
24	2522
25	2847
26	3185
27	3563
28	3955
29	4390
30	4840
31	5336
32	5848
33	6409
34	6987
35	7617
36	8265
37	8968
38	9690
39	10470
40	11270
41	12131

[1, 3, 9, 17, 32, 50, 78, 110, 155, 205, 271, 343, 434, 532, 652, 780, 933, 1095, 1285, 1485, 1716, 1958, 2234, 2522, 2847, 3185, 3563, 3955, 4390, 4840, 5336, 5848, 6409, 6987, 7617, 8265, 8968, 9690, 10470, 11270, 12131]

cp's OEIS Frontend

A049778 a(n) = Sum_{k=1..floor((n+1)/2)} T(n,2k-1), array T as in A049777.

Table of values

List of values