A026847 - cp's OEIS frontend

A026847 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), where m=[ (n+1)/2 ], T given by A026725.

n	a(n)
0	1
1	1
2	3
3	4
4	12
5	17
6	50
7	73
8	211
9	314
10	895
11	1350
12	3805
13	5798
14	16193
15	24872
16	68940
17	106573
18	293526
19	456169
20	1249622
21	1950697
22	5318976
23	8334539
24	22634700
25	35582783
26	96296410
27	151809737
28	409573584
29	647279131
30	1741574006
31	2758310121

[1, 1, 3, 4, 12, 17, 50, 73, 211, 314, 895, 1350, 3805, 5798, 16193, 24872, 68940, 106573, 293526, 456169, 1249622, 1950697, 5318976, 8334539, 22634700, 35582783, 96296410, 151809737, 409573584, 647279131, 1741574006, 2758310121]

cp's OEIS Frontend

A026847 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), where m=[ (n+1)/2 ], T given by A026725.

Table of values

List of values