A369057 - cp's OEIS frontend

A369057 Total number of representations of natural numbers in range 1 .. 4n-1 as sums of the form pq + pr + q*r, with three odd primes p <= q <= r.

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

[0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 4, 4, 4, 4, 5, 7, 7, 7, 8, 9, 10, 10, 11, 11, 12, 12, 14, 15, 15, 16, 17, 17, 17, 19, 21, 22, 22, 22, 24, 24, 24, 24, 25, 26, 28, 30, 31, 32, 32, 33, 35, 35, 35, 35, 38, 38, 39, 39, 41, 42, 44, 44, 47, 48, 49, 50, 50, 50, 51, 52, 52, 54, 54, 54, 59, 61, 61, 61, 63, 64, 65, 65, 67]

cp's OEIS Frontend

A369057 Total number of representations of natural numbers in range 1 .. 4n-1 as sums of the form pq + pr + q*r, with three odd primes p <= q <= r.

Table of values

List of values

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

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

cp's OEIS Frontend

A369057 Total number of representations of natural numbers in range 1 .. 4n-1 as sums of the form p*q + p*r + q*r, with three odd primes p <= q <= r.

Table of values

List of values

A369057 Total number of representations of natural numbers in range 1 .. 4n-1 as sums of the form pq + pr + q*r, with three odd primes p <= q <= r.

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