A282379 - cp's OEIS frontend

A282379 Number of representations of n as a sum of products of pairs of positive integers: n = Sum_{k=1..m} i_k*j_k with m >= 0, i_k <= j_k, j_k > j_{k+1} and all factors distinct with the exception that i_k = j_k is allowed.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	5
11	6
12	5
13	9
14	9
15	8
16	11
17	15
18	13
19	17
20	17
21	19
22	24
23	29
24	23
25	33
26	37
27	39
28	40
29	53
30	48
31	62
32	63
33	71
34	77
35	94
36	81
37	110
38	116
39	122
40	123
41	156
42	152
43	185
44	180
45	200
46	213
47	259
48	236
49	287
50	298
51	325
52	333
53	404
54	386
55	450
56	457
57	506
58	531
59	615
60	579
61	679
62	721

[1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 6, 5, 9, 9, 8, 11, 15, 13, 17, 17, 19, 24, 29, 23, 33, 37, 39, 40, 53, 48, 62, 63, 71, 77, 94, 81, 110, 116, 122, 123, 156, 152, 185, 180, 200, 213, 259, 236, 287, 298, 325, 333, 404, 386, 450, 457, 506, 531, 615, 579, 679, 721]

cp's OEIS Frontend

A282379 Number of representations of n as a sum of products of pairs of positive integers: n = Sum_{k=1..m} i_k*j_k with m >= 0, i_k <= j_k, j_k > j_{k+1} and all factors distinct with the exception that i_k = j_k is allowed.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	5
11	6
12	5
13	9
14	9
15	8
16	11
17	15
18	13
19	17
20	17
21	19
22	24
23	29
24	23
25	33
26	37
27	39
28	40
29	53
30	48
31	62
32	63
33	71
34	77
35	94
36	81
37	110
38	116
39	122
40	123
41	156
42	152
43	185
44	180
45	200
46	213
47	259
48	236
49	287
50	298
51	325
52	333
53	404
54	386
55	450
56	457
57	506
58	531
59	615
60	579
61	679
62	721

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	5
11	6
12	5
13	9
14	9
15	8
16	11
17	15
18	13
19	17
20	17
21	19
22	24
23	29
24	23
25	33
26	37
27	39
28	40
29	53
30	48
31	62
32	63
33	71
34	77
35	94
36	81
37	110
38	116
39	122
40	123
41	156
42	152
43	185
44	180
45	200
46	213
47	259
48	236
49	287
50	298
51	325
52	333
53	404
54	386
55	450
56	457
57	506
58	531
59	615
60	579
61	679
62	721

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	4
10	5
11	6
12	5
13	9
14	9
15	8
16	11
17	15
18	13
19	17
20	17
21	19
22	24
23	29
24	23
25	33
26	37
27	39
28	40
29	53
30	48
31	62
32	63
33	71
34	77
35	94
36	81
37	110
38	116
39	122
40	123
41	156
42	152
43	185
44	180
45	200
46	213
47	259
48	236
49	287
50	298
51	325
52	333
53	404
54	386
55	450
56	457
57	506
58	531
59	615
60	579
61	679
62	721