A052313 - cp's OEIS frontend

A052313 Triangle read by rows: matrix square of A047996.

n	a(n)
0	1
1	2
2	1
3	3
4	2
5	1
6	4
7	3
8	2
9	1
10	6
11	5
12	5
13	2
14	1
15	8
16	7
17	8
18	5
19	2
20	1
21	14
22	13
23	18
24	13
25	7
26	2
27	1
28	20
29	19
30	30
31	25
32	16
33	7
34	2
35	1
36	36
37	35
38	64
39	59
40	44
41	21
42	9
43	2
44	1
45	60
46	59
47	120
48	129
49	102
50	57
51	28
52	9
53	2
54	1
55	108
56	107
57	244
58	291
59	260
60	159
61	86
62	33
63	11
64	2
65	1
66	188
67	187
68	470
69	629
70	620
71	417
72	246
73	107

[1, 2, 1, 3, 2, 1, 4, 3, 2, 1, 6, 5, 5, 2, 1, 8, 7, 8, 5, 2, 1, 14, 13, 18, 13, 7, 2, 1, 20, 19, 30, 25, 16, 7, 2, 1, 36, 35, 64, 59, 44, 21, 9, 2, 1, 60, 59, 120, 129, 102, 57, 28, 9, 2, 1, 108, 107, 244, 291, 260, 159, 86, 33, 11, 2, 1, 188, 187, 470, 629, 620, 417, 246, 107]

cp's OEIS Frontend

A052313 Triangle read by rows: matrix square of A047996.

Table of values

List of values

n	a(n)
0	1
1	2
2	1
3	3
4	2
5	1
6	4
7	3
8	2
9	1
10	6
11	5
12	5
13	2
14	1
15	8
16	7
17	8
18	5
19	2
20	1
21	14
22	13
23	18
24	13
25	7
26	2
27	1
28	20
29	19
30	30
31	25
32	16
33	7
34	2
35	1
36	36
37	35
38	64
39	59
40	44
41	21
42	9
43	2
44	1
45	60
46	59
47	120
48	129
49	102
50	57
51	28
52	9
53	2
54	1
55	108
56	107
57	244
58	291
59	260
60	159
61	86
62	33
63	11
64	2
65	1
66	188
67	187
68	470
69	629
70	620
71	417
72	246
73	107

n	a(n)
0	1
1	2
2	1
3	3
4	2
5	1
6	4
7	3
8	2
9	1
10	6
11	5
12	5
13	2
14	1
15	8
16	7
17	8
18	5
19	2
20	1
21	14
22	13
23	18
24	13
25	7
26	2
27	1
28	20
29	19
30	30
31	25
32	16
33	7
34	2
35	1
36	36
37	35
38	64
39	59
40	44
41	21
42	9
43	2
44	1
45	60
46	59
47	120
48	129
49	102
50	57
51	28
52	9
53	2
54	1
55	108
56	107
57	244
58	291
59	260
60	159
61	86
62	33
63	11
64	2
65	1
66	188
67	187
68	470
69	629
70	620
71	417
72	246
73	107

n	a(n)
0	1
1	2
2	1
3	3
4	2
5	1
6	4
7	3
8	2
9	1
10	6
11	5
12	5
13	2
14	1
15	8
16	7
17	8
18	5
19	2
20	1
21	14
22	13
23	18
24	13
25	7
26	2
27	1
28	20
29	19
30	30
31	25
32	16
33	7
34	2
35	1
36	36
37	35
38	64
39	59
40	44
41	21
42	9
43	2
44	1
45	60
46	59
47	120
48	129
49	102
50	57
51	28
52	9
53	2
54	1
55	108
56	107
57	244
58	291
59	260
60	159
61	86
62	33
63	11
64	2
65	1
66	188
67	187
68	470
69	629
70	620
71	417
72	246
73	107