A134059 - cp's OEIS frontend

A134059 Triangle T(n, k) = 3*binomial(n,k) with T(0, 0) = 1, read by rows.

n	a(n)
0	1
1	3
2	3
3	3
4	6
5	3
6	3
7	9
8	9
9	3
10	3
11	12
12	18
13	12
14	3
15	3
16	15
17	30
18	30
19	15
20	3
21	3
22	18
23	45
24	60
25	45
26	18
27	3
28	3
29	21
30	63
31	105
32	105
33	63
34	21
35	3
36	3
37	24
38	84
39	168
40	210
41	168
42	84
43	24
44	3
45	3
46	27
47	108
48	252
49	378
50	378
51	252
52	108
53	27
54	3

[1, 3, 3, 3, 6, 3, 3, 9, 9, 3, 3, 12, 18, 12, 3, 3, 15, 30, 30, 15, 3, 3, 18, 45, 60, 45, 18, 3, 3, 21, 63, 105, 105, 63, 21, 3, 3, 24, 84, 168, 210, 168, 84, 24, 3, 3, 27, 108, 252, 378, 378, 252, 108, 27, 3]

cp's OEIS Frontend

A134059 Triangle T(n, k) = 3*binomial(n,k) with T(0, 0) = 1, read by rows.

Table of values

List of values

n	a(n)
0	1
1	3
2	3
3	3
4	6
5	3
6	3
7	9
8	9
9	3
10	3
11	12
12	18
13	12
14	3
15	3
16	15
17	30
18	30
19	15
20	3
21	3
22	18
23	45
24	60
25	45
26	18
27	3
28	3
29	21
30	63
31	105
32	105
33	63
34	21
35	3
36	3
37	24
38	84
39	168
40	210
41	168
42	84
43	24
44	3
45	3
46	27
47	108
48	252
49	378
50	378
51	252
52	108
53	27
54	3

n	a(n)
0	1
1	3
2	3
3	3
4	6
5	3
6	3
7	9
8	9
9	3
10	3
11	12
12	18
13	12
14	3
15	3
16	15
17	30
18	30
19	15
20	3
21	3
22	18
23	45
24	60
25	45
26	18
27	3
28	3
29	21
30	63
31	105
32	105
33	63
34	21
35	3
36	3
37	24
38	84
39	168
40	210
41	168
42	84
43	24
44	3
45	3
46	27
47	108
48	252
49	378
50	378
51	252
52	108
53	27
54	3

n	a(n)
0	1
1	3
2	3
3	3
4	6
5	3
6	3
7	9
8	9
9	3
10	3
11	12
12	18
13	12
14	3
15	3
16	15
17	30
18	30
19	15
20	3
21	3
22	18
23	45
24	60
25	45
26	18
27	3
28	3
29	21
30	63
31	105
32	105
33	63
34	21
35	3
36	3
37	24
38	84
39	168
40	210
41	168
42	84
43	24
44	3
45	3
46	27
47	108
48	252
49	378
50	378
51	252
52	108
53	27
54	3