A171239 - cp's OEIS frontend

A171239 Triangle read by rows extracted from convolution product (1,2,3,...) * A002865: (1,1,2,2,4,4,7,8,...)

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	3
7	2
8	4
9	3
10	4
11	4
12	4
13	6
14	4
15	5
16	4
17	8
18	6
19	8
20	5
21	6
22	7
23	8
24	12
25	8
26	10
27	6
28	7
29	8
30	14
31	12
32	16
33	10
34	12
35	7
36	8
37	8
38	14
39	12
40	16
41	10
42	12
43	7
44	8
45	12
46	16
47	21
48	16
49	20
50	12
51	14
52	8
53	9
54	14
55	24
56	24
57	28
58	20
59	24
60	14
61	10
62	9
63	10

[1, 1, 2, 2, 2, 3, 2, 4, 3, 4, 4, 4, 6, 4, 5, 4, 8, 6, 8, 5, 6, 7, 8, 12, 8, 10, 6, 7, 8, 14, 12, 16, 10, 12, 7, 8, 8, 14, 12, 16, 10, 12, 7, 8, 12, 16, 21, 16, 20, 12, 14, 8, 9, 14, 24, 24, 28, 20, 24, 14, 10, 9, 10]

cp's OEIS Frontend

A171239 Triangle read by rows extracted from convolution product (1,2,3,...) * A002865: (1,1,2,2,4,4,7,8,...)

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	3
7	2
8	4
9	3
10	4
11	4
12	4
13	6
14	4
15	5
16	4
17	8
18	6
19	8
20	5
21	6
22	7
23	8
24	12
25	8
26	10
27	6
28	7
29	8
30	14
31	12
32	16
33	10
34	12
35	7
36	8
37	8
38	14
39	12
40	16
41	10
42	12
43	7
44	8
45	12
46	16
47	21
48	16
49	20
50	12
51	14
52	8
53	9
54	14
55	24
56	24
57	28
58	20
59	24
60	14
61	10
62	9
63	10

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	3
7	2
8	4
9	3
10	4
11	4
12	4
13	6
14	4
15	5
16	4
17	8
18	6
19	8
20	5
21	6
22	7
23	8
24	12
25	8
26	10
27	6
28	7
29	8
30	14
31	12
32	16
33	10
34	12
35	7
36	8
37	8
38	14
39	12
40	16
41	10
42	12
43	7
44	8
45	12
46	16
47	21
48	16
49	20
50	12
51	14
52	8
53	9
54	14
55	24
56	24
57	28
58	20
59	24
60	14
61	10
62	9
63	10

n	a(n)
1	1
2	1
3	2
4	2
5	2
6	3
7	2
8	4
9	3
10	4
11	4
12	4
13	6
14	4
15	5
16	4
17	8
18	6
19	8
20	5
21	6
22	7
23	8
24	12
25	8
26	10
27	6
28	7
29	8
30	14
31	12
32	16
33	10
34	12
35	7
36	8
37	8
38	14
39	12
40	16
41	10
42	12
43	7
44	8
45	12
46	16
47	21
48	16
49	20
50	12
51	14
52	8
53	9
54	14
55	24
56	24
57	28
58	20
59	24
60	14
61	10
62	9
63	10