A026998 - cp's OEIS frontend

A026998 Triangular array T read by rows: T(n, k) = t(n, 2k), t given by A027960, 0 <= k <= n, n >= 0.

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	4
8	8
9	1
10	1
11	4
12	11
13	13
14	1
15	1
16	4
17	11
18	26
19	19
20	1
21	1
22	4
23	11
24	29
25	54
26	26
27	1
28	1
29	4
30	11
31	29
32	73
33	101
34	34
35	1
36	1
37	4
38	11
39	29
40	76
41	171
42	174
43	43
44	1
45	1
46	4
47	11
48	29
49	76
50	196
51	370
52	281
53	53
54	1
55	1
56	4
57	11
58	29
59	76
60	199
61	487
62	743
63	431
64	64
65	1

[1, 1, 1, 1, 4, 1, 1, 4, 8, 1, 1, 4, 11, 13, 1, 1, 4, 11, 26, 19, 1, 1, 4, 11, 29, 54, 26, 1, 1, 4, 11, 29, 73, 101, 34, 1, 1, 4, 11, 29, 76, 171, 174, 43, 1, 1, 4, 11, 29, 76, 196, 370, 281, 53, 1, 1, 4, 11, 29, 76, 199, 487, 743, 431, 64, 1]

cp's OEIS Frontend

A026998 Triangular array T read by rows: T(n, k) = t(n, 2k), t given by A027960, 0 <= k <= n, n >= 0.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	4
8	8
9	1
10	1
11	4
12	11
13	13
14	1
15	1
16	4
17	11
18	26
19	19
20	1
21	1
22	4
23	11
24	29
25	54
26	26
27	1
28	1
29	4
30	11
31	29
32	73
33	101
34	34
35	1
36	1
37	4
38	11
39	29
40	76
41	171
42	174
43	43
44	1
45	1
46	4
47	11
48	29
49	76
50	196
51	370
52	281
53	53
54	1
55	1
56	4
57	11
58	29
59	76
60	199
61	487
62	743
63	431
64	64
65	1

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	4
8	8
9	1
10	1
11	4
12	11
13	13
14	1
15	1
16	4
17	11
18	26
19	19
20	1
21	1
22	4
23	11
24	29
25	54
26	26
27	1
28	1
29	4
30	11
31	29
32	73
33	101
34	34
35	1
36	1
37	4
38	11
39	29
40	76
41	171
42	174
43	43
44	1
45	1
46	4
47	11
48	29
49	76
50	196
51	370
52	281
53	53
54	1
55	1
56	4
57	11
58	29
59	76
60	199
61	487
62	743
63	431
64	64
65	1

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	4
8	8
9	1
10	1
11	4
12	11
13	13
14	1
15	1
16	4
17	11
18	26
19	19
20	1
21	1
22	4
23	11
24	29
25	54
26	26
27	1
28	1
29	4
30	11
31	29
32	73
33	101
34	34
35	1
36	1
37	4
38	11
39	29
40	76
41	171
42	174
43	43
44	1
45	1
46	4
47	11
48	29
49	76
50	196
51	370
52	281
53	53
54	1
55	1
56	4
57	11
58	29
59	76
60	199
61	487
62	743
63	431
64	64
65	1