A386393 - cp's OEIS frontend

A386393 Triangle T(n, k) (1 <= k <= n) read by rows: T(n, k) is the numerator of R(n, k) where R(n, k) = R(n, k-1)/2 + R(n-1, k-1) for 1 < k <= n with R(n, 1) = R(n-1, n-1) for n > 1, R(1, 1) = 1.

n	a(n)
1	1
2	1
3	3
4	3
5	7
6	19
7	19
8	43
9	99
10	251
11	251
12	555
13	1243
14	2827
15	6843
16	6843
17	14875
18	32635
19	72411
20	162875
21	381851
22	381851
23	819803
24	1771803
25	3860443
26	8494747
27	18918747
28	43357211
29	43357211
30	92234139
31	197168923
32	423959707
33	918096411
34	2005424027
35	4427023643
36	9976746651

[1, 1, 3, 3, 7, 19, 19, 43, 99, 251, 251, 555, 1243, 2827, 6843, 6843, 14875, 32635, 72411, 162875, 381851, 381851, 819803, 1771803, 3860443, 8494747, 18918747, 43357211, 43357211, 92234139, 197168923, 423959707, 918096411, 2005424027, 4427023643, 9976746651]

cp's OEIS Frontend

A386393 Triangle T(n, k) (1 <= k <= n) read by rows: T(n, k) is the numerator of R(n, k) where R(n, k) = R(n, k-1)/2 + R(n-1, k-1) for 1 < k <= n with R(n, 1) = R(n-1, n-1) for n > 1, R(1, 1) = 1.

Table of values

List of values