A132729 - cp's OEIS frontend

A132729 Triangle T(n, k) = 2*binomial(n, k) - 3 with T(n, 0) = T(n, n) = 1, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	3
9	1
10	1
11	5
12	9
13	5
14	1
15	1
16	7
17	17
18	17
19	7
20	1
21	1
22	9
23	27
24	37
25	27
26	9
27	1
28	1
29	11
30	39
31	67
32	67
33	39
34	11
35	1
36	1
37	13
38	53
39	109
40	137
41	109
42	53
43	13
44	1
45	1
46	15
47	69
48	165
49	249
50	249
51	165
52	69
53	15
54	1
55	1
56	17
57	87
58	237
59	417
60	501
61	417
62	237
63	87
64	17
65	1
66	1
67	19
68	107
69	327
70	657
71	921
72	921
73	657
74	327
75	107
76	19
77	1

[1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 5, 9, 5, 1, 1, 7, 17, 17, 7, 1, 1, 9, 27, 37, 27, 9, 1, 1, 11, 39, 67, 67, 39, 11, 1, 1, 13, 53, 109, 137, 109, 53, 13, 1, 1, 15, 69, 165, 249, 249, 165, 69, 15, 1, 1, 17, 87, 237, 417, 501, 417, 237, 87, 17, 1, 1, 19, 107, 327, 657, 921, 921, 657, 327, 107, 19, 1]

cp's OEIS Frontend

A132729 Triangle T(n, k) = 2*binomial(n, k) - 3 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	1
5	1
6	1
7	3
8	3
9	1
10	1
11	5
12	9
13	5
14	1
15	1
16	7
17	17
18	17
19	7
20	1
21	1
22	9
23	27
24	37
25	27
26	9
27	1
28	1
29	11
30	39
31	67
32	67
33	39
34	11
35	1
36	1
37	13
38	53
39	109
40	137
41	109
42	53
43	13
44	1
45	1
46	15
47	69
48	165
49	249
50	249
51	165
52	69
53	15
54	1
55	1
56	17
57	87
58	237
59	417
60	501
61	417
62	237
63	87
64	17
65	1
66	1
67	19
68	107
69	327
70	657
71	921
72	921
73	657
74	327
75	107
76	19
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	3
9	1
10	1
11	5
12	9
13	5
14	1
15	1
16	7
17	17
18	17
19	7
20	1
21	1
22	9
23	27
24	37
25	27
26	9
27	1
28	1
29	11
30	39
31	67
32	67
33	39
34	11
35	1
36	1
37	13
38	53
39	109
40	137
41	109
42	53
43	13
44	1
45	1
46	15
47	69
48	165
49	249
50	249
51	165
52	69
53	15
54	1
55	1
56	17
57	87
58	237
59	417
60	501
61	417
62	237
63	87
64	17
65	1
66	1
67	19
68	107
69	327
70	657
71	921
72	921
73	657
74	327
75	107
76	19
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	3
9	1
10	1
11	5
12	9
13	5
14	1
15	1
16	7
17	17
18	17
19	7
20	1
21	1
22	9
23	27
24	37
25	27
26	9
27	1
28	1
29	11
30	39
31	67
32	67
33	39
34	11
35	1
36	1
37	13
38	53
39	109
40	137
41	109
42	53
43	13
44	1
45	1
46	15
47	69
48	165
49	249
50	249
51	165
52	69
53	15
54	1
55	1
56	17
57	87
58	237
59	417
60	501
61	417
62	237
63	87
64	17
65	1
66	1
67	19
68	107
69	327
70	657
71	921
72	921
73	657
74	327
75	107
76	19
77	1