A049631 - cp's OEIS frontend

A049631 a(n) = Sum_{i=0..floor(n/2)} T(2i+1,n-2i-1) where T is A049627.

n	a(n)
0	0
1	2
2	4
3	7
4	12
5	17
6	26
7	34
8	50
9	61
10	84
11	100
12	132
13	154
14	198
15	224
16	280
17	314
18	384
19	427
20	514
21	563
22	666
23	726
24	848
25	918
26	1062
27	1141
28	1306
29	1399
30	1586
31	1694
32	1912
33	2030
34	2274
35	2404
36	2672
37	2820
38	3124
39	3284
40	3616
41	3796
42	4160
43	4361
44	4766
45	4979
46	5418
47	5654
48	6132
49	6389

[0, 2, 4, 7, 12, 17, 26, 34, 50, 61, 84, 100, 132, 154, 198, 224, 280, 314, 384, 427, 514, 563, 666, 726, 848, 918, 1062, 1141, 1306, 1399, 1586, 1694, 1912, 2030, 2274, 2404, 2672, 2820, 3124, 3284, 3616, 3796, 4160, 4361, 4766, 4979, 5418, 5654, 6132, 6389]

cp's OEIS Frontend

A049631 a(n) = Sum_{i=0..floor(n/2)} T(2i+1,n-2i-1) where T is A049627.

Table of values

List of values