A127471 - cp's OEIS frontend

A127471 Triangle formed from the matrix product A051731 * A054522 of infinite lower triangular matrices, read by rows.

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

[1, 2, 1, 2, 0, 2, 3, 2, 0, 2, 2, 0, 0, 0, 4, 4, 2, 4, 0, 0, 2, 2, 0, 0, 0, 0, 0, 6, 4, 3, 0, 4, 0, 0, 0, 4, 3, 0, 4, 0, 0, 0, 0, 0, 6, 4, 2, 0, 0, 8, 0, 0, 0, 0, 4, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 6, 4, 6, 4, 0, 4, 0, 0, 0, 0, 0, 4, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12]

cp's OEIS Frontend

A127471 Triangle formed from the matrix product A051731 * A054522 of infinite lower triangular matrices, read by rows.

Table of values

List of values

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

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

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