A210881 - cp's OEIS frontend

A210881 Triangular array U(n,k) of coefficients of polynomials defined in Comments.

n	a(n)
1	1
2	1
3	3
4	3
5	4
6	4
7	4
8	7
9	5
10	7
11	5
12	9
13	10
14	9
15	11
16	6
17	11
18	13
19	17
20	14
21	18
22	7
23	13
24	16
25	22
26	27
27	23
28	29
29	8
30	15
31	19
32	27
33	35
34	44
35	37
36	47
37	9
38	17
39	22
40	32
41	43
42	57
43	71
44	60
45	76
46	10
47	19
48	25
49	37
50	51
51	70
52	92
53	115
54	97
55	123
56	11
57	21
58	28
59	42
60	59
61	83
62	113
63	149
64	186
65	157
66	199
67	12
68	23
69	31

[1, 1, 3, 3, 4, 4, 4, 7, 5, 7, 5, 9, 10, 9, 11, 6, 11, 13, 17, 14, 18, 7, 13, 16, 22, 27, 23, 29, 8, 15, 19, 27, 35, 44, 37, 47, 9, 17, 22, 32, 43, 57, 71, 60, 76, 10, 19, 25, 37, 51, 70, 92, 115, 97, 123, 11, 21, 28, 42, 59, 83, 113, 149, 186, 157, 199, 12, 23, 31]

cp's OEIS Frontend

A210881 Triangular array U(n,k) of coefficients of polynomials defined in Comments.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	3
5	4
6	4
7	4
8	7
9	5
10	7
11	5
12	9
13	10
14	9
15	11
16	6
17	11
18	13
19	17
20	14
21	18
22	7
23	13
24	16
25	22
26	27
27	23
28	29
29	8
30	15
31	19
32	27
33	35
34	44
35	37
36	47
37	9
38	17
39	22
40	32
41	43
42	57
43	71
44	60
45	76
46	10
47	19
48	25
49	37
50	51
51	70
52	92
53	115
54	97
55	123
56	11
57	21
58	28
59	42
60	59
61	83
62	113
63	149
64	186
65	157
66	199
67	12
68	23
69	31

n	a(n)
1	1
2	1
3	3
4	3
5	4
6	4
7	4
8	7
9	5
10	7
11	5
12	9
13	10
14	9
15	11
16	6
17	11
18	13
19	17
20	14
21	18
22	7
23	13
24	16
25	22
26	27
27	23
28	29
29	8
30	15
31	19
32	27
33	35
34	44
35	37
36	47
37	9
38	17
39	22
40	32
41	43
42	57
43	71
44	60
45	76
46	10
47	19
48	25
49	37
50	51
51	70
52	92
53	115
54	97
55	123
56	11
57	21
58	28
59	42
60	59
61	83
62	113
63	149
64	186
65	157
66	199
67	12
68	23
69	31

n	a(n)
1	1
2	1
3	3
4	3
5	4
6	4
7	4
8	7
9	5
10	7
11	5
12	9
13	10
14	9
15	11
16	6
17	11
18	13
19	17
20	14
21	18
22	7
23	13
24	16
25	22
26	27
27	23
28	29
29	8
30	15
31	19
32	27
33	35
34	44
35	37
36	47
37	9
38	17
39	22
40	32
41	43
42	57
43	71
44	60
45	76
46	10
47	19
48	25
49	37
50	51
51	70
52	92
53	115
54	97
55	123
56	11
57	21
58	28
59	42
60	59
61	83
62	113
63	149
64	186
65	157
66	199
67	12
68	23
69	31