A097207 - cp's OEIS frontend

A097207 Triangle read by rows: T(n,k) = binomial(n,k) + 2*binomial(n,k-1).

n	a(n)
0	1
1	1
2	3
3	1
4	4
5	5
6	1
7	5
8	9
9	7
10	1
11	6
12	14
13	16
14	9
15	1
16	7
17	20
18	30
19	25
20	11
21	1
22	8
23	27
24	50
25	55
26	36
27	13
28	1
29	9
30	35
31	77
32	105
33	91
34	49
35	15
36	1
37	10
38	44
39	112
40	182
41	196
42	140
43	64
44	17
45	1
46	11
47	54
48	156
49	294
50	378
51	336
52	204
53	81
54	19
55	1
56	12
57	65
58	210
59	450
60	672
61	714
62	540
63	285
64	100
65	21
66	1
67	13
68	77
69	275
70	660

[1, 1, 3, 1, 4, 5, 1, 5, 9, 7, 1, 6, 14, 16, 9, 1, 7, 20, 30, 25, 11, 1, 8, 27, 50, 55, 36, 13, 1, 9, 35, 77, 105, 91, 49, 15, 1, 10, 44, 112, 182, 196, 140, 64, 17, 1, 11, 54, 156, 294, 378, 336, 204, 81, 19, 1, 12, 65, 210, 450, 672, 714, 540, 285, 100, 21, 1, 13, 77, 275, 660]

cp's OEIS Frontend

A097207 Triangle read by rows: T(n,k) = binomial(n,k) + 2*binomial(n,k-1).

Table of values

List of values

n	a(n)
0	1
1	1
2	3
3	1
4	4
5	5
6	1
7	5
8	9
9	7
10	1
11	6
12	14
13	16
14	9
15	1
16	7
17	20
18	30
19	25
20	11
21	1
22	8
23	27
24	50
25	55
26	36
27	13
28	1
29	9
30	35
31	77
32	105
33	91
34	49
35	15
36	1
37	10
38	44
39	112
40	182
41	196
42	140
43	64
44	17
45	1
46	11
47	54
48	156
49	294
50	378
51	336
52	204
53	81
54	19
55	1
56	12
57	65
58	210
59	450
60	672
61	714
62	540
63	285
64	100
65	21
66	1
67	13
68	77
69	275
70	660

n	a(n)
0	1
1	1
2	3
3	1
4	4
5	5
6	1
7	5
8	9
9	7
10	1
11	6
12	14
13	16
14	9
15	1
16	7
17	20
18	30
19	25
20	11
21	1
22	8
23	27
24	50
25	55
26	36
27	13
28	1
29	9
30	35
31	77
32	105
33	91
34	49
35	15
36	1
37	10
38	44
39	112
40	182
41	196
42	140
43	64
44	17
45	1
46	11
47	54
48	156
49	294
50	378
51	336
52	204
53	81
54	19
55	1
56	12
57	65
58	210
59	450
60	672
61	714
62	540
63	285
64	100
65	21
66	1
67	13
68	77
69	275
70	660

n	a(n)
0	1
1	1
2	3
3	1
4	4
5	5
6	1
7	5
8	9
9	7
10	1
11	6
12	14
13	16
14	9
15	1
16	7
17	20
18	30
19	25
20	11
21	1
22	8
23	27
24	50
25	55
26	36
27	13
28	1
29	9
30	35
31	77
32	105
33	91
34	49
35	15
36	1
37	10
38	44
39	112
40	182
41	196
42	140
43	64
44	17
45	1
46	11
47	54
48	156
49	294
50	378
51	336
52	204
53	81
54	19
55	1
56	12
57	65
58	210
59	450
60	672
61	714
62	540
63	285
64	100
65	21
66	1
67	13
68	77
69	275
70	660