A119469 - cp's OEIS frontend

A119469 Triangle read by rows: row n gives coefficients (lowest degree first) of P_n(x), where P_0(x) = P_1(x) = 1; P_n(x) = P_{n-1}(x) + x^(n-2)*P_{n-2}(x).

n	a(n)
0	1
1	1
2	2
3	2
4	1
5	2
6	1
7	2
8	2
9	1
10	2
11	2
12	1
13	2
14	1
15	2
16	2
17	3
18	1
19	2
20	2
21	1
22	2
23	2
24	3
25	3
26	3
27	2
28	2
29	1
30	2
31	1
32	2
33	2
34	3
35	3
36	5
37	3
38	4
39	3
40	3
41	1
42	2
43	2
44	1
45	2
46	2
47	3
48	3
49	5
50	5
51	5
52	5
53	5
54	4
55	5
56	3
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	3
65	3
66	5
67	5
68	7
69	6
70	7
71	6
72	8
73	6
74	7
75	5
76	5
77	3
78	3
79	1
80	2
81	2
82	1
83	2
84	2
85	3
86	3
87	5
88	5
89	7
90	8
91	8
92	8
93	10
94	9
95	10
96	10
97	10
98	8

[1, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 3, 1, 2, 2, 1, 2, 2, 3, 3, 3, 2, 2, 1, 2, 1, 2, 2, 3, 3, 5, 3, 4, 3, 3, 1, 2, 2, 1, 2, 2, 3, 3, 5, 5, 5, 5, 5, 4, 5, 3, 2, 2, 1, 2, 1, 2, 2, 3, 3, 5, 5, 7, 6, 7, 6, 8, 6, 7, 5, 5, 3, 3, 1, 2, 2, 1, 2, 2, 3, 3, 5, 5, 7, 8, 8, 8, 10, 9, 10, 10, 10, 8]

cp's OEIS Frontend

A119469 Triangle read by rows: row n gives coefficients (lowest degree first) of P_n(x), where P_0(x) = P_1(x) = 1; P_n(x) = P_{n-1}(x) + x^(n-2)*P_{n-2}(x).

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	2
4	1
5	2
6	1
7	2
8	2
9	1
10	2
11	2
12	1
13	2
14	1
15	2
16	2
17	3
18	1
19	2
20	2
21	1
22	2
23	2
24	3
25	3
26	3
27	2
28	2
29	1
30	2
31	1
32	2
33	2
34	3
35	3
36	5
37	3
38	4
39	3
40	3
41	1
42	2
43	2
44	1
45	2
46	2
47	3
48	3
49	5
50	5
51	5
52	5
53	5
54	4
55	5
56	3
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	3
65	3
66	5
67	5
68	7
69	6
70	7
71	6
72	8
73	6
74	7
75	5
76	5
77	3
78	3
79	1
80	2
81	2
82	1
83	2
84	2
85	3
86	3
87	5
88	5
89	7
90	8
91	8
92	8
93	10
94	9
95	10
96	10
97	10
98	8

n	a(n)
0	1
1	1
2	2
3	2
4	1
5	2
6	1
7	2
8	2
9	1
10	2
11	2
12	1
13	2
14	1
15	2
16	2
17	3
18	1
19	2
20	2
21	1
22	2
23	2
24	3
25	3
26	3
27	2
28	2
29	1
30	2
31	1
32	2
33	2
34	3
35	3
36	5
37	3
38	4
39	3
40	3
41	1
42	2
43	2
44	1
45	2
46	2
47	3
48	3
49	5
50	5
51	5
52	5
53	5
54	4
55	5
56	3
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	3
65	3
66	5
67	5
68	7
69	6
70	7
71	6
72	8
73	6
74	7
75	5
76	5
77	3
78	3
79	1
80	2
81	2
82	1
83	2
84	2
85	3
86	3
87	5
88	5
89	7
90	8
91	8
92	8
93	10
94	9
95	10
96	10
97	10
98	8

n	a(n)
0	1
1	1
2	2
3	2
4	1
5	2
6	1
7	2
8	2
9	1
10	2
11	2
12	1
13	2
14	1
15	2
16	2
17	3
18	1
19	2
20	2
21	1
22	2
23	2
24	3
25	3
26	3
27	2
28	2
29	1
30	2
31	1
32	2
33	2
34	3
35	3
36	5
37	3
38	4
39	3
40	3
41	1
42	2
43	2
44	1
45	2
46	2
47	3
48	3
49	5
50	5
51	5
52	5
53	5
54	4
55	5
56	3
57	2
58	2
59	1
60	2
61	1
62	2
63	2
64	3
65	3
66	5
67	5
68	7
69	6
70	7
71	6
72	8
73	6
74	7
75	5
76	5
77	3
78	3
79	1
80	2
81	2
82	1
83	2
84	2
85	3
86	3
87	5
88	5
89	7
90	8
91	8
92	8
93	10
94	9
95	10
96	10
97	10
98	8