A127836 - cp's OEIS frontend

A127836 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-1)*P_{n-2}(x).

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

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 4, 4, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 5, 5, 5, 6, 6, 6, 6, 6, 5, 5]

cp's OEIS Frontend

A127836 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-1)*P_{n-2}(x).

Table of values

List of values

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

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

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