A027958 - cp's OEIS frontend

A027958 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), where m = floor((n+2)/2), T given by A027948.

n	a(n)
1	1
2	1
3	4
4	5
5	20
6	32
7	95
8	169
9	424
10	793
11	1816
12	3488
13	7583
14	14789
15	31172
16	61357
17	126892
18	251200
19	513343
20	1019921
21	2068496
22	4119281
23	8313584
24	16580800
25	33358015
26	66594637
27	133703500
28	267089189
29	535524644
30	1070217248
31	2143959071

[1, 1, 4, 5, 20, 32, 95, 169, 424, 793, 1816, 3488, 7583, 14789, 31172, 61357, 126892, 251200, 513343, 1019921, 2068496, 4119281, 8313584, 16580800, 33358015, 66594637, 133703500, 267089189, 535524644, 1070217248, 2143959071]

cp's OEIS Frontend

A027958 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), where m = floor((n+2)/2), T given by A027948.

Table of values

List of values