A091595 - cp's OEIS frontend

A091595 Triangle read by rows: T(n,m) := Sum_{k=0..floor((n-m)/2)} binomial(n-2k,m) * binomial(n-m-k,k) * 2^k.

n	a(n)
0	1
1	1
2	1
3	3
4	2
5	1
6	5
7	5
8	3
9	1
10	11
11	12
12	8
13	4
14	1
15	21
16	27
17	22
18	12
19	5
20	1
21	43
22	62
23	55
24	36
25	17
26	6
27	1
28	85
29	137
30	137
31	99
32	55
33	23
34	7
35	1
36	171
37	304
38	330
39	264
40	164
41	80
42	30
43	8
44	1
45	341
46	663
47	784
48	682
49	466
50	256
51	112
52	38
53	9
54	1
55	683
56	1442
57	1833
58	1720
59	1278
60	772
61	382
62	152
63	47
64	10
65	1
66	1365
67	3109
68	4235
69	4257
70	3402
71	2234
72	1218
73	550
74	201
75	57
76	11
77	1

[1, 1, 1, 3, 2, 1, 5, 5, 3, 1, 11, 12, 8, 4, 1, 21, 27, 22, 12, 5, 1, 43, 62, 55, 36, 17, 6, 1, 85, 137, 137, 99, 55, 23, 7, 1, 171, 304, 330, 264, 164, 80, 30, 8, 1, 341, 663, 784, 682, 466, 256, 112, 38, 9, 1, 683, 1442, 1833, 1720, 1278, 772, 382, 152, 47, 10, 1, 1365, 3109, 4235, 4257, 3402, 2234, 1218, 550, 201, 57, 11, 1]

cp's OEIS Frontend

A091595 Triangle read by rows: T(n,m) := Sum_{k=0..floor((n-m)/2)} binomial(n-2k,m) * binomial(n-m-k,k) * 2^k.

Table of values

List of values