A049630 - cp's OEIS frontend

A049630 a(n) = Sum_{i=0..floor(n/2)} T(2i,n-2i) where T is A049627.

n	a(n)
0	1
1	2
2	4
3	7
4	10
5	17
6	22
7	34
8	42
9	61
10	72
11	100
12	116
13	154
14	176
15	224
16	250
17	314
18	348
19	427
20	470
21	563
22	612
23	726
24	786
25	918
26	988
27	1141
28	1220
29	1399
30	1492
31	1694
32	1802
33	2030
34	2148
35	2404
36	2534
37	2820
38	2968
39	3284
40	3444
41	3796
42	3976
43	4361
44	4562
45	4979
46	5192
47	5654
48	5890
49	6389

[1, 2, 4, 7, 10, 17, 22, 34, 42, 61, 72, 100, 116, 154, 176, 224, 250, 314, 348, 427, 470, 563, 612, 726, 786, 918, 988, 1141, 1220, 1399, 1492, 1694, 1802, 2030, 2148, 2404, 2534, 2820, 2968, 3284, 3444, 3796, 3976, 4361, 4562, 4979, 5192, 5654, 5890, 6389]

cp's OEIS Frontend

A049630 a(n) = Sum_{i=0..floor(n/2)} T(2i,n-2i) where T is A049627.

Table of values

List of values