A132731 - cp's OEIS frontend

A132731 Triangle T(n,k) = 2 * binomial(n,k) - 2 with T(n,0) = T(n,n) = 1, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	10
13	6
14	1
15	1
16	8
17	18
18	18
19	8
20	1
21	1
22	10
23	28
24	38
25	28
26	10
27	1
28	1
29	12
30	40
31	68
32	68
33	40
34	12
35	1
36	1
37	14
38	54
39	110
40	138
41	110
42	54
43	14
44	1
45	1
46	16
47	70
48	166
49	250
50	250
51	166
52	70
53	16
54	1
55	1
56	18
57	88
58	238
59	418
60	502
61	418
62	238
63	88
64	18
65	1

[1, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 6, 10, 6, 1, 1, 8, 18, 18, 8, 1, 1, 10, 28, 38, 28, 10, 1, 1, 12, 40, 68, 68, 40, 12, 1, 1, 14, 54, 110, 138, 110, 54, 14, 1, 1, 16, 70, 166, 250, 250, 166, 70, 16, 1, 1, 18, 88, 238, 418, 502, 418, 238, 88, 18, 1]

cp's OEIS Frontend

A132731 Triangle T(n,k) = 2 * binomial(n,k) - 2 with T(n,0) = T(n,n) = 1, read by rows.

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	4
9	1
10	1
11	6
12	10
13	6
14	1
15	1
16	8
17	18
18	18
19	8
20	1
21	1
22	10
23	28
24	38
25	28
26	10
27	1
28	1
29	12
30	40
31	68
32	68
33	40
34	12
35	1
36	1
37	14
38	54
39	110
40	138
41	110
42	54
43	14
44	1
45	1
46	16
47	70
48	166
49	250
50	250
51	166
52	70
53	16
54	1
55	1
56	18
57	88
58	238
59	418
60	502
61	418
62	238
63	88
64	18
65	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	10
13	6
14	1
15	1
16	8
17	18
18	18
19	8
20	1
21	1
22	10
23	28
24	38
25	28
26	10
27	1
28	1
29	12
30	40
31	68
32	68
33	40
34	12
35	1
36	1
37	14
38	54
39	110
40	138
41	110
42	54
43	14
44	1
45	1
46	16
47	70
48	166
49	250
50	250
51	166
52	70
53	16
54	1
55	1
56	18
57	88
58	238
59	418
60	502
61	418
62	238
63	88
64	18
65	1

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	10
13	6
14	1
15	1
16	8
17	18
18	18
19	8
20	1
21	1
22	10
23	28
24	38
25	28
26	10
27	1
28	1
29	12
30	40
31	68
32	68
33	40
34	12
35	1
36	1
37	14
38	54
39	110
40	138
41	110
42	54
43	14
44	1
45	1
46	16
47	70
48	166
49	250
50	250
51	166
52	70
53	16
54	1
55	1
56	18
57	88
58	238
59	418
60	502
61	418
62	238
63	88
64	18
65	1