A132737 - cp's OEIS frontend

A132737 Triangle T(n,k) = 2*binomial(n,k) + 1, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	5
5	1
6	1
7	7
8	7
9	1
10	1
11	9
12	13
13	9
14	1
15	1
16	11
17	21
18	21
19	11
20	1
21	1
22	13
23	31
24	41
25	31
26	13
27	1
28	1
29	15
30	43
31	71
32	71
33	43
34	15
35	1
36	1
37	17
38	57
39	113
40	141
41	113
42	57
43	17
44	1
45	1
46	19
47	73
48	169
49	253
50	253
51	169
52	73
53	19
54	1
55	1
56	21
57	91
58	241
59	421
60	505
61	421
62	241
63	91
64	21
65	1
66	1
67	23
68	111
69	331
70	661
71	925
72	925
73	661
74	331
75	111
76	23
77	1

[1, 1, 1, 1, 5, 1, 1, 7, 7, 1, 1, 9, 13, 9, 1, 1, 11, 21, 21, 11, 1, 1, 13, 31, 41, 31, 13, 1, 1, 15, 43, 71, 71, 43, 15, 1, 1, 17, 57, 113, 141, 113, 57, 17, 1, 1, 19, 73, 169, 253, 253, 169, 73, 19, 1, 1, 21, 91, 241, 421, 505, 421, 241, 91, 21, 1, 1, 23, 111, 331, 661, 925, 925, 661, 331, 111, 23, 1]

cp's OEIS Frontend

A132737 Triangle T(n,k) = 2*binomial(n,k) + 1, read by rows.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	5
5	1
6	1
7	7
8	7
9	1
10	1
11	9
12	13
13	9
14	1
15	1
16	11
17	21
18	21
19	11
20	1
21	1
22	13
23	31
24	41
25	31
26	13
27	1
28	1
29	15
30	43
31	71
32	71
33	43
34	15
35	1
36	1
37	17
38	57
39	113
40	141
41	113
42	57
43	17
44	1
45	1
46	19
47	73
48	169
49	253
50	253
51	169
52	73
53	19
54	1
55	1
56	21
57	91
58	241
59	421
60	505
61	421
62	241
63	91
64	21
65	1
66	1
67	23
68	111
69	331
70	661
71	925
72	925
73	661
74	331
75	111
76	23
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	5
5	1
6	1
7	7
8	7
9	1
10	1
11	9
12	13
13	9
14	1
15	1
16	11
17	21
18	21
19	11
20	1
21	1
22	13
23	31
24	41
25	31
26	13
27	1
28	1
29	15
30	43
31	71
32	71
33	43
34	15
35	1
36	1
37	17
38	57
39	113
40	141
41	113
42	57
43	17
44	1
45	1
46	19
47	73
48	169
49	253
50	253
51	169
52	73
53	19
54	1
55	1
56	21
57	91
58	241
59	421
60	505
61	421
62	241
63	91
64	21
65	1
66	1
67	23
68	111
69	331
70	661
71	925
72	925
73	661
74	331
75	111
76	23
77	1

n	a(n)
0	1
1	1
2	1
3	1
4	5
5	1
6	1
7	7
8	7
9	1
10	1
11	9
12	13
13	9
14	1
15	1
16	11
17	21
18	21
19	11
20	1
21	1
22	13
23	31
24	41
25	31
26	13
27	1
28	1
29	15
30	43
31	71
32	71
33	43
34	15
35	1
36	1
37	17
38	57
39	113
40	141
41	113
42	57
43	17
44	1
45	1
46	19
47	73
48	169
49	253
50	253
51	169
52	73
53	19
54	1
55	1
56	21
57	91
58	241
59	421
60	505
61	421
62	241
63	91
64	21
65	1
66	1
67	23
68	111
69	331
70	661
71	925
72	925
73	661
74	331
75	111
76	23
77	1