A185139 - cp's OEIS frontend

A185139 Triangle T(n,k) = Sum_{i=1..n} 2^(i-1)C(n+2k-i-1, k-1), 1 <= k <= n.

n	a(n)
1	1
2	3
3	10
4	7
5	25
6	91
7	15
8	56
9	210
10	792
11	31
12	119
13	456
14	1749
15	6721
16	63
17	246
18	957
19	3718
20	14443
21	56134
22	127
23	501
24	1969
25	7722
26	30251
27	118456
28	463828
29	255
30	1012
31	4004
32	15808
33	62322
34	245480
35	966416
36	3803648
37	511
38	2035
39	8086
40	32071
41	127024
42	502588
43	1987096
44	7852453
45	31020445
46	1023
47	4082
48	16263

[1, 3, 10, 7, 25, 91, 15, 56, 210, 792, 31, 119, 456, 1749, 6721, 63, 246, 957, 3718, 14443, 56134, 127, 501, 1969, 7722, 30251, 118456, 463828, 255, 1012, 4004, 15808, 62322, 245480, 966416, 3803648, 511, 2035, 8086, 32071, 127024, 502588, 1987096, 7852453, 31020445, 1023, 4082, 16263]

cp's OEIS Frontend

A185139 Triangle T(n,k) = Sum_{i=1..n} 2^(i-1)C(n+2k-i-1, k-1), 1 <= k <= n.

Table of values

List of values

cp's OEIS Frontend

A185139 Triangle T(n,k) = Sum_{i=1..n} 2^(i-1)*C(n+2*k-i-1, k-1), 1 <= k <= n.

Table of values

List of values

A185139 Triangle T(n,k) = Sum_{i=1..n} 2^(i-1)C(n+2k-i-1, k-1), 1 <= k <= n.