A112800 - cp's OEIS frontend

A112800 Number of ways of representing 2n-1 as sum of three integers with 1 distinct prime factor.

n	a(n)
1	0
2	0
3	0
4	1
5	3
6	4
7	6
8	8
9	9
10	10
11	12
12	14
13	14
14	16
15	18
16	18
17	20
18	23
19	25
20	26
21	28
22	30
23	30
24	32
25	32
26	34
27	37
28	36
29	40
30	43
31	42
32	44
33	46
34	46
35	46
36	50
37	51
38	53
39	59
40	57
41	57
42	61
43	62
44	62
45	66
46	68
47	69
48	71
49	72
50	71
51	73
52	76
53	74
54	81
55	81
56	78
57	87
58	90
59	87
60	91
61	93
62	90
63	94
64	97
65	94
66	100
67	107
68	103
69	114
70	115

[0, 0, 0, 1, 3, 4, 6, 8, 9, 10, 12, 14, 14, 16, 18, 18, 20, 23, 25, 26, 28, 30, 30, 32, 32, 34, 37, 36, 40, 43, 42, 44, 46, 46, 46, 50, 51, 53, 59, 57, 57, 61, 62, 62, 66, 68, 69, 71, 72, 71, 73, 76, 74, 81, 81, 78, 87, 90, 87, 91, 93, 90, 94, 97, 94, 100, 107, 103, 114, 115]

cp's OEIS Frontend

A112800 Number of ways of representing 2n-1 as sum of three integers with 1 distinct prime factor.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	3
6	4
7	6
8	8
9	9
10	10
11	12
12	14
13	14
14	16
15	18
16	18
17	20
18	23
19	25
20	26
21	28
22	30
23	30
24	32
25	32
26	34
27	37
28	36
29	40
30	43
31	42
32	44
33	46
34	46
35	46
36	50
37	51
38	53
39	59
40	57
41	57
42	61
43	62
44	62
45	66
46	68
47	69
48	71
49	72
50	71
51	73
52	76
53	74
54	81
55	81
56	78
57	87
58	90
59	87
60	91
61	93
62	90
63	94
64	97
65	94
66	100
67	107
68	103
69	114
70	115

n	a(n)
1	0
2	0
3	0
4	1
5	3
6	4
7	6
8	8
9	9
10	10
11	12
12	14
13	14
14	16
15	18
16	18
17	20
18	23
19	25
20	26
21	28
22	30
23	30
24	32
25	32
26	34
27	37
28	36
29	40
30	43
31	42
32	44
33	46
34	46
35	46
36	50
37	51
38	53
39	59
40	57
41	57
42	61
43	62
44	62
45	66
46	68
47	69
48	71
49	72
50	71
51	73
52	76
53	74
54	81
55	81
56	78
57	87
58	90
59	87
60	91
61	93
62	90
63	94
64	97
65	94
66	100
67	107
68	103
69	114
70	115

n	a(n)
1	0
2	0
3	0
4	1
5	3
6	4
7	6
8	8
9	9
10	10
11	12
12	14
13	14
14	16
15	18
16	18
17	20
18	23
19	25
20	26
21	28
22	30
23	30
24	32
25	32
26	34
27	37
28	36
29	40
30	43
31	42
32	44
33	46
34	46
35	46
36	50
37	51
38	53
39	59
40	57
41	57
42	61
43	62
44	62
45	66
46	68
47	69
48	71
49	72
50	71
51	73
52	76
53	74
54	81
55	81
56	78
57	87
58	90
59	87
60	91
61	93
62	90
63	94
64	97
65	94
66	100
67	107
68	103
69	114
70	115