A026869 - cp's OEIS frontend

A026869 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026747.

n	a(n)
0	1
1	1
2	4
3	5
4	17
5	23
6	74
7	104
8	326
9	468
10	1447
11	2104
12	6459
13	9466
14	28968
15	42658
16	130473
17	192656
18	589993
19	872290
20	2678007
21	3960318
22	12199689
23	18032179
24	55769978
25	82346931
26	255807384
27	377172666
28	1177155945
29	1732702830

[1, 1, 4, 5, 17, 23, 74, 104, 326, 468, 1447, 2104, 6459, 9466, 28968, 42658, 130473, 192656, 589993, 872290, 2678007, 3960318, 12199689, 18032179, 55769978, 82346931, 255807384, 377172666, 1177155945, 1732702830]

cp's OEIS Frontend

A026869 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026747.

Table of values

List of values