A120451 - cp's OEIS frontend

A120451 Number of ways a prime number p can be expressed as 2(p1-p2) + 3p3, where p1, p2, p3 are primes or 1, less than or equal to p.

n	a(n)
1	0
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	18
10	20
11	23
12	30
13	32
14	32
15	33
16	42
17	43
18	51
19	50
20	57
21	64
22	61
23	69
24	83
25	84
26	93
27	89
28	92
29	110
30	115
31	114
32	123
33	133
34	133
35	153
36	143
37	157
38	154
39	163
40	176
41	179
42	211
43	197
44	220
45	233
46	216
47	227
48	230
49	233
50	269
51	278
52	268
53	310
54	274
55	314

[0, 3, 4, 7, 9, 12, 13, 16, 18, 20, 23, 30, 32, 32, 33, 42, 43, 51, 50, 57, 64, 61, 69, 83, 84, 93, 89, 92, 110, 115, 114, 123, 133, 133, 153, 143, 157, 154, 163, 176, 179, 211, 197, 220, 233, 216, 227, 230, 233, 269, 278, 268, 310, 274, 314]

cp's OEIS Frontend

A120451 Number of ways a prime number p can be expressed as 2(p1-p2) + 3p3, where p1, p2, p3 are primes or 1, less than or equal to p.

Table of values

List of values

n	a(n)
1	0
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	18
10	20
11	23
12	30
13	32
14	32
15	33
16	42
17	43
18	51
19	50
20	57
21	64
22	61
23	69
24	83
25	84
26	93
27	89
28	92
29	110
30	115
31	114
32	123
33	133
34	133
35	153
36	143
37	157
38	154
39	163
40	176
41	179
42	211
43	197
44	220
45	233
46	216
47	227
48	230
49	233
50	269
51	278
52	268
53	310
54	274
55	314

n	a(n)
1	0
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	18
10	20
11	23
12	30
13	32
14	32
15	33
16	42
17	43
18	51
19	50
20	57
21	64
22	61
23	69
24	83
25	84
26	93
27	89
28	92
29	110
30	115
31	114
32	123
33	133
34	133
35	153
36	143
37	157
38	154
39	163
40	176
41	179
42	211
43	197
44	220
45	233
46	216
47	227
48	230
49	233
50	269
51	278
52	268
53	310
54	274
55	314

cp's OEIS Frontend

A120451 Number of ways a prime number p can be expressed as 2*(p1-p2) + 3*p3, where p1, p2, p3 are primes or 1, less than or equal to p.

Table of values

List of values

A120451 Number of ways a prime number p can be expressed as 2(p1-p2) + 3p3, where p1, p2, p3 are primes or 1, less than or equal to p.

n	a(n)
1	0
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	18
10	20
11	23
12	30
13	32
14	32
15	33
16	42
17	43
18	51
19	50
20	57
21	64
22	61
23	69
24	83
25	84
26	93
27	89
28	92
29	110
30	115
31	114
32	123
33	133
34	133
35	153
36	143
37	157
38	154
39	163
40	176
41	179
42	211
43	197
44	220
45	233
46	216
47	227
48	230
49	233
50	269
51	278
52	268
53	310
54	274
55	314