A131270 - cp's OEIS frontend

A131270 Triangle T(n,k) = 2*A046854(n,k) - 1, read by rows.

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

[1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 5, 1, 1, 1, 5, 5, 7, 1, 1, 1, 5, 11, 7, 9, 1, 1, 1, 7, 11, 19, 9, 11, 1, 1, 1, 7, 19, 19, 29, 11, 13, 1, 1, 1, 9, 19, 39, 29, 41, 13, 15, 1, 1, 1, 9, 29, 39, 69, 41, 55, 15, 17, 1, 1, 1, 11, 29, 69, 69, 111, 55, 71, 17, 19, 1, 1]

cp's OEIS Frontend

A131270 Triangle T(n,k) = 2*A046854(n,k) - 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	1
9	1
10	1
11	3
12	5
13	1
14	1
15	1
16	5
17	5
18	7
19	1
20	1
21	1
22	5
23	11
24	7
25	9
26	1
27	1
28	1
29	7
30	11
31	19
32	9
33	11
34	1
35	1
36	1
37	7
38	19
39	19
40	29
41	11
42	13
43	1
44	1
45	1
46	9
47	19
48	39
49	29
50	41
51	13
52	15
53	1
54	1
55	1
56	9
57	29
58	39
59	69
60	41
61	55
62	15
63	17
64	1
65	1
66	1
67	11
68	29
69	69
70	69
71	111
72	55
73	71
74	17
75	19
76	1
77	1

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

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