A257365 - cp's OEIS frontend

A257365 Triangle, read by rows, T(n,k) = Sum_{m=0..(n-k)/2} C(k,m)C(n-2m,k).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	3
9	1
10	1
11	6
12	8
13	4
14	1
15	1
16	8
17	16
18	13
19	5
20	1
21	1
22	10
23	28
24	32
25	19
26	6
27	1
28	1
29	12
30	44
31	68
32	55
33	26
34	7
35	1
36	1
37	14
38	64
39	128
40	136
41	86
42	34
43	8
44	1
45	1
46	16
47	88
48	220
49	296
50	241
51	126
52	43
53	9
54	1
55	1
56	18
57	116
58	352
59	584
60	592
61	393
62	176
63	53
64	10
65	1

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 6, 8, 4, 1, 1, 8, 16, 13, 5, 1, 1, 10, 28, 32, 19, 6, 1, 1, 12, 44, 68, 55, 26, 7, 1, 1, 14, 64, 128, 136, 86, 34, 8, 1, 1, 16, 88, 220, 296, 241, 126, 43, 9, 1, 1, 18, 116, 352, 584, 592, 393, 176, 53, 10, 1]

cp's OEIS Frontend

A257365 Triangle, read by rows, T(n,k) = Sum_{m=0..(n-k)/2} C(k,m)C(n-2m,k).

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	3
9	1
10	1
11	6
12	8
13	4
14	1
15	1
16	8
17	16
18	13
19	5
20	1
21	1
22	10
23	28
24	32
25	19
26	6
27	1
28	1
29	12
30	44
31	68
32	55
33	26
34	7
35	1
36	1
37	14
38	64
39	128
40	136
41	86
42	34
43	8
44	1
45	1
46	16
47	88
48	220
49	296
50	241
51	126
52	43
53	9
54	1
55	1
56	18
57	116
58	352
59	584
60	592
61	393
62	176
63	53
64	10
65	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	3
9	1
10	1
11	6
12	8
13	4
14	1
15	1
16	8
17	16
18	13
19	5
20	1
21	1
22	10
23	28
24	32
25	19
26	6
27	1
28	1
29	12
30	44
31	68
32	55
33	26
34	7
35	1
36	1
37	14
38	64
39	128
40	136
41	86
42	34
43	8
44	1
45	1
46	16
47	88
48	220
49	296
50	241
51	126
52	43
53	9
54	1
55	1
56	18
57	116
58	352
59	584
60	592
61	393
62	176
63	53
64	10
65	1

cp's OEIS Frontend

A257365 Triangle, read by rows, T(n,k) = Sum_{m=0..(n-k)/2} C(k,m)*C(n-2*m,k).

Table of values

List of values

A257365 Triangle, read by rows, T(n,k) = Sum_{m=0..(n-k)/2} C(k,m)C(n-2m,k).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	3
9	1
10	1
11	6
12	8
13	4
14	1
15	1
16	8
17	16
18	13
19	5
20	1
21	1
22	10
23	28
24	32
25	19
26	6
27	1
28	1
29	12
30	44
31	68
32	55
33	26
34	7
35	1
36	1
37	14
38	64
39	128
40	136
41	86
42	34
43	8
44	1
45	1
46	16
47	88
48	220
49	296
50	241
51	126
52	43
53	9
54	1
55	1
56	18
57	116
58	352
59	584
60	592
61	393
62	176
63	53
64	10
65	1